{"title":"Fish Health \u0026 Medications","description":"\u003cp\u003eTreatments for parasitic, bacterial, and fungal disease in freshwater and marine fish. Not sure what you're treating? Ask before you dose — the consultation is complimentary.\u003c\/p\u003e","products":[{"product_id":"api-general-cure-medication","title":"API General Cure — Broad-Spectrum Antiparasitic Treatment","description":"\u003cp\u003eAPI General Cure is a dual-active antiparasitic powder combining metronidazole and praziquantel — two clinically distinct compounds that target fundamentally different parasite classes. Understanding exactly what each ingredient treats (and what it doesn't) prevents treatment failures and the costly delay of the wrong medication while fish deteriorate.\u003c\/p\u003e\n\n\u003ch3\u003eActive Ingredients \u0026amp; Scientifically Accurate Targets\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.875rem;margin:14px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background:rgba(59,130,246,0.08);text-align:left;\"\u003e\n\u003cth style=\"padding:10px 12px;border-bottom:2px solid rgba(128,128,128,0.15);\"\u003eIngredient\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;border-bottom:2px solid rgba(128,128,128,0.15);\"\u003eConfirmed Targets\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;border-bottom:2px solid rgba(128,128,128,0.15);\"\u003eMechanism\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(128,128,128,0.1);\"\u003e\u003cstrong\u003eMetronidazole\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(128,128,128,0.1);\"\u003e\n\u003cem\u003eHexamita\u003c\/em\u003e and \u003cem\u003eSpironucleus\u003c\/em\u003e spp. (hole-in-the-head disease \/ HLLE in cichlids and tangs); internal flagellated protozoa\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(128,128,128,0.1);\"\u003eDisrupts DNA replication in anaerobic and microaerophilic organisms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:rgba(128,128,128,0.03);\"\u003e\n\u003ctd style=\"padding:9px 12px;\"\u003e\u003cstrong\u003ePraziquantel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;\"\u003eMonogenean flukes: gill flukes (\u003cem\u003eDactylogyrus\u003c\/em\u003e spp.) and skin flukes (\u003cem\u003eGyrodactylus\u003c\/em\u003e spp.); some cestodes (tapeworms); fish lice (\u003cem\u003eArgulus\u003c\/em\u003e spp.)\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;\"\u003eDisrupts membrane calcium ion permeability in flatworms, causing paralysis and detachment from host tissue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat General Cure Does NOT Effectively Treat\u003c\/h3\u003e\n\u003cp\u003eNeither metronidazole nor praziquantel is effective against:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater ich (\u003cem\u003eIchthyophthirius multifiliis\u003c\/em\u003e):\u003c\/strong\u003e requires heat treatment, copper, formalin, or malachite green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine ich (\u003cem\u003eCryptocaryon irritans\u003c\/em\u003e):\u003c\/strong\u003e requires copper (chelated or ionic), chloroquine phosphate, or hyposalinity in a quarantine system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine velvet (\u003cem\u003eAmyloodinium ocellatum\u003c\/em\u003e):\u003c\/strong\u003e a dinoflagellate — requires copper treatment at 2.0–2.5 ppm maintained for 14–21 days minimum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacterial infections:\u003c\/strong\u003e use erythromycin (gram-positive) or minocycline (gram-negative)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisease Identification Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole-in-the-head \/ HLLE:\u003c\/strong\u003e Pitting erosions along the lateral line and head, most common in cichlids (oscars, discus) and tangs. Caused by \u003cem\u003eHexamita\u003c\/em\u003e\/\u003cem\u003eSpironucleus\u003c\/em\u003e. Metronidazole is the first-line treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGill flukes (\u003cem\u003eDactylogyrus\u003c\/em\u003e):\u003c\/strong\u003e Rapid or labored gill movement, gasping at the surface, flashing, mucus on gills, pale or inflamed gill tissue. Praziquantel is first-line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin flukes (\u003cem\u003eGyrodactylus\u003c\/em\u003e):\u003c\/strong\u003e Flashing\/scratching against surfaces, excess mucus, skin redness or erosion, fins clamped. Praziquantel is first-line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFish lice (\u003cem\u003eArgulus\u003c\/em\u003e):\u003c\/strong\u003e Visible disc-shaped parasites (5–10mm) attached to skin, intense irritation, localized hemorrhage at attachment sites. Praziquantel + manual removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSafe for freshwater and saltwater fish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot safe\u003c\/strong\u003e for invertebrates (praziquantel is toxic to snails, shrimp, and other inverts — remove before treatment)\u003c\/li\u003e\n\u003cli\u003eSafe for biological filtration at labeled doses\u003c\/li\u003e\n\u003cli\u003eRemove activated carbon before treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDosing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 packet per 10 gallons directly into aquarium\u003c\/li\u003e\n\u003cli\u003eRepeat after 48 hours\u003c\/li\u003e\n\u003cli\u003eOne package (10 packets) treats up to 100 gallons over a two-dose course\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"10-Pack Powder Packets","offer_id":50095434825965,"sku":"API-GENERALCURE-10CT","price":27.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/b02527806f9bfe92e4869e470a43384387b4a0a0_png.webp?v=1781976856"},{"product_id":"api-em-erythromycin-bacterial-fish-treatment","title":"API EM Erythromycin — Broad-Spectrum Antibiotic Treatment","description":"\u003cp\u003eAPI EM Erythromycin is a broad-spectrum antibiotic powder medication formulated to control gram-positive bacterial infections in freshwater aquariums. It targets the most common bacterial diseases affecting fish and requires a full 4-dose treatment course over 4 days for best results.\u003c\/p\u003e\n\n\u003ch3\u003eTreats\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBody slime and mouth fungus (bacterial)\u003c\/li\u003e\n  \u003cli\u003eFurunculosis (open lesions and swelling)\u003c\/li\u003e\n  \u003cli\u003eBacterial gill disease\u003c\/li\u003e\n  \u003cli\u003eHemorrhagic septicemia (blood spots)\u003c\/li\u003e\n  \u003cli\u003eColumnaris\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eActive Ingredient\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eErythromycin (broad-spectrum gram-positive antibiotic)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDosing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEmpty 1 packet per 10 gal directly into aquarium\u003c\/li\u003e\n  \u003cli\u003eRepeat every 24 hours for a total of 4 doses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 powder packets\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"10-Pack Powder Packets","offer_id":50095434891501,"sku":"API-ERYTHROMYCIN-10CT","price":29.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/e5dfad720fe94ac07ffe04512c8eb73947ea6c3a_png.webp?v=1781976856"},{"product_id":"copper-power-blue-marine-copper-treatment","title":"Copper Power Blue — Chelated Copper Marine Treatment","description":"\u003cp\u003eCopper Power Blue is one of the most stable chelated copper treatments available for fish-only and quarantine saltwater systems. Its chelated formula holds therapeutic copper concentrations reliably in high-calcium, high-alkalinity saltwater — where ionic copper precipitates out of solution rapidly and unpredictably — making it the professional-grade choice for treating \u003cem\u003eCryptocaryon irritans\u003c\/em\u003e (marine ich) and \u003cem\u003eAmyloodinium ocellatum\u003c\/em\u003e (marine velvet).\u003c\/p\u003e\n\n\u003ch3\u003eWhy Chelated Copper vs. Ionic Copper\u003c\/h3\u003e\n\u003cp\u003eIn saltwater, free ionic copper (Cu²⁺) reacts with carbonate, phosphate, and other ions in the water column and precipitates out of solution — often dropping below therapeutic levels within hours. Copper Power Blue's chelating agent keeps copper dissolved and bioavailable at consistent concentrations with a precipitation rate of only 0.01 mg\/L per 24 hours. This means predictable levels, less re-dosing, and more reliable treatment outcomes.\u003c\/p\u003e\n\n\u003ch3\u003eParasite Treatment Protocols\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.875rem;margin:14px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background:rgba(59,130,246,0.08);text-align:left;\"\u003e\n\u003cth style=\"padding:10px 12px;border-bottom:2px solid rgba(128,128,128,0.15);\"\u003eParasite\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;border-bottom:2px solid rgba(128,128,128,0.15);\"\u003eTarget Copper Level\u003c\/th\u003e\n\u003cth style=\"padding:10px 12px;border-bottom:2px solid rgba(128,128,128,0.15);\"\u003eMinimum Duration \u0026amp; Why\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(128,128,128,0.1);\"\u003e\n\u003cem\u003eAmyloodinium ocellatum\u003c\/em\u003e\u003cbr\u003e\u003csmall\u003e(Marine Velvet)\u003c\/small\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(128,128,128,0.1);\"\u003e2.0–2.5 ppm\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;border-bottom:1px solid rgba(128,128,128,0.1);\"\u003e\n\u003cstrong\u003e14–21 days minimum.\u003c\/strong\u003e The free-swimming dinospore stage is very brief (~24 hours) — copper only kills the parasite during this window. Continuous therapeutic levels are critical to intercept each dinospore as it hatches.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:rgba(128,128,128,0.03);\"\u003e\n\u003ctd style=\"padding:9px 12px;\"\u003e\n\u003cem\u003eCryptocaryon irritans\u003c\/em\u003e\u003cbr\u003e\u003csmall\u003e(Marine Ich)\u003c\/small\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;\"\u003e1.5–2.0 ppm\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;\"\u003e\n\u003cstrong\u003e30 days minimum.\u003c\/strong\u003e The encysted tomont stage can persist on the substrate for up to 72 days at lower temperatures. A 30-day continuous treatment is required to interrupt the complete life cycle and prevent re-infection from hatching tomites.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCritical Rules for Copper Treatment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways use a copper test kit\u003c\/strong\u003e — measure every 1–2 days and dose as needed to maintain therapeutic minimums. Subtherapeutic levels treat nothing and may cause resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarantine system only, without exception\u003c\/strong\u003e — copper is acutely toxic to all invertebrates (corals, shrimp, snails, clams, worms). It also leaches permanently into live rock and aragonite substrates, making them toxic for years. Never dose a display reef tank, even briefly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon will not remove chelated copper\u003c\/strong\u003e — beneficial because treatment levels remain stable, but note that chelated copper persists in the system after treatment ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove with cuprisorb\u003c\/strong\u003e — after treatment is complete, use a copper-removing adsorbent media before adding invertebrates to the quarantine tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisease Identification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Velvet (\u003cem\u003eA. ocellatum\u003c\/em\u003e):\u003c\/strong\u003e Fine white\/gold dusting on skin and gills (resembles powdered sugar or velvet fabric), rapid gill movement, lethargy, flashing. Progresses to sudden mortality rapidly — the most dangerous common reef parasite. Confirm with a magnifying glass; the \"dusting\" is smaller and denser than ich spots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Ich (\u003cem\u003eC. irritans\u003c\/em\u003e):\u003c\/strong\u003e White spots on skin (2–5mm, larger and fewer than velvet), flashing, scratching, respiratory distress in heavy infestations. Slower progression than velvet, but can reach lethal loads without treatment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChelated copper formula — precipitation rate: 0.01 mg\/L per 24 hours in saltwater\u003c\/li\u003e\n\u003cli\u003eMaintains therapeutic levels at 1.5–2.5 ppm\u003c\/li\u003e\n\u003cli\u003eNot removed by activated carbon\u003c\/li\u003e\n\u003cli\u003eWon't damage gill tissue at therapeutic doses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize: 4 oz\u003c\/h3\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"4 oz","offer_id":50095435219181,"sku":"COPPERPOWER-MARINE-4OZ","price":7.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/24814.jpg?v=1781976857"},{"product_id":"fritz-expel-f-antifungal-fish-treatment","title":"Fritz Expel-F | Flubendazole Anthelmintic Treatment","description":"\u003cp\u003e\u003cstrong\u003eActive ingredient: Flubendazole\u003c\/strong\u003e (benzimidazole anthelmintic)\u003c\/p\u003e\n\n\u003cp\u003eFlubendazole is a benzimidazole anthelmintic — it binds selectively to β-tubulin in parasite cells, inhibiting microtubule polymerization. This disrupts intracellular transport and nutrient absorption in parasitic worms, causing their death. It has no antifungal, antibacterial, or antiprotozoal activity. Expel-F is a dewormer, not an antifungal.\u003c\/p\u003e\n\n\u003ch3\u003eTarget Parasites\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParasite\u003c\/th\u003e\n      \u003cth\u003eType\u003c\/th\u003e\n      \u003cth\u003ePresentation\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\n\u003cem\u003eCamallanus\u003c\/em\u003e spp.\u003c\/td\u003e\n      \u003ctd\u003eNematode (roundworm)\u003c\/td\u003e\n      \u003ctd\u003eRed or orange worm tips visibly protruding from the anus; most common in livebearers, angelfish, and discus\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIntestinal roundworms\u003c\/td\u003e\n      \u003ctd\u003eNematode\u003c\/td\u003e\n      \u003ctd\u003eWhite stringy feces, hollow belly despite eating, wasting, fish rubbing belly on substrate\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTapeworms (cestodes)\u003c\/td\u003e\n      \u003ctd\u003eCestode\u003c\/td\u003e\n      \u003ctd\u003eSegmented worm segments in feces, distended abdomen, progressive weight loss\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Expel-F Does NOT Treat\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtozoan parasites\u003c\/strong\u003e — no effect on ich (\u003cem\u003eIchthyophthirius multifiliis\u003c\/em\u003e), velvet (\u003cem\u003eOodinium\u003c\/em\u003e), \u003cem\u003eHexamita\u003c\/em\u003e, or \u003cem\u003eSpironucleus\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMonogenean flukes\u003c\/strong\u003e (\u003cem\u003eDactylogyrus\u003c\/em\u003e, \u003cem\u003eGyrodactylus\u003c\/em\u003e) — flubendazole has limited activity against flukes at standard aquarium doses\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFungal or bacterial infections\u003c\/strong\u003e — no activity against these\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSigns of Internal Parasites\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWhite, stringy, or mucus-laden feces\u003c\/li\u003e\n  \u003cli\u003eHollow belly despite normal or increased appetite\u003c\/li\u003e\n  \u003cli\u003eGradual wasting and progressive weight loss\u003c\/li\u003e\n  \u003cli\u003eFish rubbing abdomen against substrate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003eCamallanus\u003c\/em\u003e specifically: orange or red worm tips visibly protruding from the vent (anus), most easily spotted at night or when the fish is stressed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInvertebrate \u0026amp; Plant Safety\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe for shrimp and snails\u003c\/strong\u003e at recommended doses — flubendazole's β-tubulin binding mechanism is selective to helminths and does not affect invertebrates via nAChR pathways the way levamisole does\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe for planted tanks\u003c\/strong\u003e — does not harm aquatic plants, unlike levamisole (Expel-P) which can affect some sensitive species\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTreatment Protocol\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove activated carbon during treatment\u003c\/li\u003e\n  \u003cli\u003eDose per label directions; works systemically when the fish ingests the medication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest delivered as a food soak\u003c\/strong\u003e — mix into a small amount of gel food or food paste to ensure each fish ingests the medication directly rather than relying on waterborne uptake\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetreat in 2–3 weeks\u003c\/strong\u003e — flubendazole kills adult worms but does not destroy eggs; a second dose after eggs hatch is required to fully eliminate the infestation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"20 Count","offer_id":50095451046125,"sku":"FRITZ-EXPELF-20CT","price":20.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/expel-f_sm.png?v=1781975429"},{"product_id":"fritz-expel-p-antiparasitic-fish-treatment","title":"Fritz Expel-P — Levamisole HCl Nematode Treatment","description":"\u003cp\u003e\u003cstrong\u003eActive ingredient: Levamisole HCl\u003c\/strong\u003e (nicotinic acetylcholine receptor agonist \/ anthelmintic)\u003c\/p\u003e\n\n\u003cp\u003eLevamisole acts as an agonist at nicotinic acetylcholine receptors (nAChR) in nematode muscle tissue. Nematode nAChRs are far more sensitive to levamisole than vertebrate receptors — the drug causes sustained spastic paralysis of parasitic worms, which are then expelled from the fish's gastrointestinal tract. Paralyzed worms do not die immediately; they are expelled alive and must be physically removed from the tank to prevent ammonia spikes as they decompose.\u003c\/p\u003e\n\n\u003ch3\u003eTarget Parasites\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParasite\u003c\/th\u003e\n      \u003cth\u003eCommon Name\u003c\/th\u003e\n      \u003cth\u003ePresentation\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cem\u003eCamallanus cotti\u003c\/em\u003e\u003c\/td\u003e\n      \u003ctd\u003eCamallanus worm\u003c\/td\u003e\n      \u003ctd\u003eOrange or red hair-like threads protruding from the vent — most visible at night or under stress; most common nematode in hobby livebearers (guppies, mollies, platies)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cem\u003eCamallanus lacustris\u003c\/em\u003e\u003c\/td\u003e\n      \u003ctd\u003eCamallanus worm\u003c\/td\u003e\n      \u003ctd\u003eSame presentation; frequently affects angelfish, discus, and cichlids\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\n\u003cem\u003eCapillaria\u003c\/em\u003e spp.\u003c\/td\u003e\n      \u003ctd\u003eThreadworm \/ hairworm\u003c\/td\u003e\n      \u003ctd\u003eWhite stringy feces, hollow belly, wasting; common in discus and fish kept in planted tanks\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGeneral intestinal nematodes\u003c\/td\u003e\n      \u003ctd\u003eRoundworms\u003c\/td\u003e\n      \u003ctd\u003eDeclining body condition despite feeding, stringy feces, progressive emaciation\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Expel-P Does NOT Treat\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNematode eggs\u003c\/strong\u003e — levamisole does not kill eggs; a mandatory second treatment in 3–4 weeks is required to eliminate newly hatched larvae before they mature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlukes\u003c\/strong\u003e (monogenean trematodes) — no activity against \u003cem\u003eDactylogyrus\u003c\/em\u003e or \u003cem\u003eGyrodactylus\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtozoan parasites\u003c\/strong\u003e — no effect on ich, velvet, \u003cem\u003eHexamita\u003c\/em\u003e, or \u003cem\u003eSpironucleus\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacterial or fungal infections\u003c\/strong\u003e — no activity against these\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCritical Post-Treatment Step\u003c\/h3\u003e\n\u003cp\u003ePerform a \u003cstrong\u003elarge water change (50%+) 24–48 hours after dosing\u003c\/strong\u003e and siphon the substrate thoroughly. This physically removes expelled and paralyzed worms from the tank before they decompose. Decomposing worm biomass will spike ammonia — this is especially dangerous in heavily stocked or small tanks and can cause secondary losses if not addressed.\u003c\/p\u003e\n\n\u003ch3\u003eTreatment Protocol\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove activated carbon before dosing\u003c\/li\u003e\n  \u003cli\u003eDose per label directions; can be mixed into food for fish that are reluctant to feed normally\u003c\/li\u003e\n  \u003cli\u003ePerform a large water change with substrate vacuuming 24–48 hours after treatment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetreat in 3–4 weeks\u003c\/strong\u003e to eliminate larvae that hatched from eggs that survived the initial dose — skipping this step virtually guarantees reinfestation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlant Safety\u003c\/h3\u003e\n\u003cp\u003eSome aquatic plant species are sensitive to levamisole. If treating a heavily planted display tank, test in a separate container with a plant cutting before committing to a full tank dose. If invertebrate-safe deworming in a planted tank is the goal, consider Fritz Expel-F (flubendazole) instead.\u003c\/p\u003e\n\n\u003ch3\u003eInvertebrate Safety\u003c\/h3\u003e\n\u003cp\u003eGenerally considered safe for shrimp and snails at recommended doses due to differences in vertebrate and invertebrate nAChR subunit composition. As a precaution, remove shrimp to a separate container during treatment if the tank population is high value.\u003c\/p\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"20 Count","offer_id":50095451275501,"sku":"FRITZ-EXELP-20CT","price":21.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/Fritz_Expel-P_20pk.png?v=1781975373"},{"product_id":"fritz-mardel-maracyn-2-bacterial-fish-treatment","title":"Fritz Mardel Maracyn 2 — Minocycline Antibiotic Treatment","description":"\u003cp\u003e\u003cstrong\u003eActive ingredient: Minocycline\u003c\/strong\u003e (second-generation tetracycline antibiotic)\u003c\/p\u003e\n\n\u003cp\u003eMinocycline is a bacteriostatic antibiotic — it blocks bacterial protein synthesis at the 30S ribosomal subunit, halting replication and allowing the fish's immune system to clear the infection. Its coverage is primarily \u003cstrong\u003egram-negative\u003c\/strong\u003e, targeting the bacteria responsible for the most common serious bacterial infections in freshwater and marine fish.\u003c\/p\u003e\n\n\u003ch3\u003eTarget Pathogens\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePathogen\u003c\/th\u003e\n      \u003cth\u003eDisease \/ Presentation\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cem\u003eAeromonas hydrophila\u003c\/em\u003e\u003c\/td\u003e\n      \u003ctd\u003eFin rot, open ulcers, hemorrhagic septicemia, dropsy\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\n\u003cem\u003ePseudomonas\u003c\/em\u003e spp.\u003c\/td\u003e\n      \u003ctd\u003eOpen wounds, secondary fin erosion\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cem\u003eFlavobacterium columnare\u003c\/em\u003e\u003c\/td\u003e\n      \u003ctd\u003eColumnaris — \"cotton mouth,\" saddle rot, rapid fin and body erosion\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cem\u003eEdwardsiella tarda\u003c\/em\u003e\u003c\/td\u003e\n      \u003ctd\u003eInternal septicemia; most common in catfish and eels\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Maracyn 2 Does NOT Treat\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGram-positive infections\u003c\/strong\u003e — minocycline coverage is primarily gram-negative; use Fritz Maracyn (erythromycin) for gram-positive pathogens such as \u003cem\u003eStreptococcus\u003c\/em\u003e spp.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFish tuberculosis (\u003cem\u003eMycobacterium\u003c\/em\u003e spp.)\u003c\/strong\u003e — resistant to minocycline and all aquarium antibiotics; no cure exists in aquarium settings. Do not use Maracyn 2 for suspected wasting disease or progressive emaciation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParasites, fungi, or viruses\u003c\/strong\u003e — no activity against these pathogens\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eClinical Presentations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFin rot:\u003c\/strong\u003e Gram-negative bacteria (\u003cem\u003eAeromonas\u003c\/em\u003e, \u003cem\u003ePseudomonas\u003c\/em\u003e, \u003cem\u003eFlavobacterium\u003c\/em\u003e) almost always invade as secondary opportunists following physical injury, aggression, or degraded water quality. Correcting the underlying cause is essential — medication alone will not prevent recurrence.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePopeye (exophthalmia):\u003c\/strong\u003e Unilateral (one eye) is typically physical injury and may resolve with good water conditions. Bilateral (both eyes) indicates systemic gram-negative infection requiring a full 5-day treatment course.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDropsy:\u003c\/strong\u003e Systemic bacterial infection presenting as raised scales (\"pinecone\" appearance) and distended abdomen due to fluid accumulation in the body cavity. Prognosis is poor even with early treatment; Maracyn 2 is the appropriate antibiotic choice but cannot reverse organ damage already sustained.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColumnaris:\u003c\/strong\u003e Can progress within hours, especially at higher temperatures. Do not raise water temperature as you would for ich — elevated temp accelerates \u003cem\u003eFlavobacterium columnare\u003c\/em\u003e significantly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTreatment Protocol\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove activated carbon and all chemical filtration media before dosing — carbon absorbs minocycline and will render the treatment ineffective\u003c\/li\u003e\n  \u003cli\u003eDose once daily for \u003cstrong\u003e5 consecutive days\u003c\/strong\u003e; complete the full course even if symptoms resolve early\u003c\/li\u003e\n  \u003cli\u003eIncomplete treatment promotes antibiotic resistance and risks relapse\u003c\/li\u003e\n  \u003cli\u003ePerform a 25% water change and replace carbon after the 5-day course is complete\u003c\/li\u003e\n  \u003cli\u003eBiological filtration (nitrifying bacteria) is generally safe at recommended doses — minocycline is bacteriostatic rather than bactericidal and has limited impact on established nitrogen cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInvertebrate Safety\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNot safe for shrimp or snails.\u003c\/strong\u003e Remove all invertebrates to a separate container before starting treatment. Do not return them until 48 hours after the final dose and after performing a water change.\u003c\/p\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"20 Count","offer_id":50095451373805,"sku":"FRITZ-MARACYN2-20CT","price":22.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/FRITZ_MARACYN2_20PK.png?v=1781975376"},{"product_id":"fritz-mardel-maracyn-oxy-antifungal-treatment","title":"Fritz Mardel Maracyn Oxy — Oxidizing Antifungal Fish Treatment","description":"\u003cp\u003e\u003cstrong\u003eMechanism: Oxidizing antifungal formula\u003c\/strong\u003e (non-antibiotic)\u003c\/p\u003e\n\n\u003cp\u003eMaracyn Oxy acts through an oxidizing mechanism — releasing active oxygen species that disrupt fungal cell walls and kill external fungal pathogens on contact. This approach is entirely distinct from antibiotic-based Maracyn treatments: it does not contribute to antibiotic resistance and is a sound first choice when antibiotic treatment is not indicated.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Treats\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePathogen \/ Condition\u003c\/th\u003e\n      \u003cth\u003ePresentation\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\n\u003cem\u003eSaprolegnia\u003c\/em\u003e spp.\u003c\/td\u003e\n      \u003ctd\u003eCotton-like white or gray tufts on body, fins, or wounds — \"cotton wool disease\"\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\n\u003cem\u003eAchyla\u003c\/em\u003e spp.\u003c\/td\u003e\n      \u003ctd\u003eBranching fungal filaments on damaged or necrotic tissue; similar appearance to Saprolegnia\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFungal lesions on fish eggs\u003c\/td\u003e\n      \u003ctd\u003eWhite or gray fuzzy coating spreading across spawned eggs; highly effective for egg fungus in breeding setups\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSecondary bacterial fin rot (external)\u003c\/td\u003e\n      \u003ctd\u003eFin deterioration associated with fungal infection or surface tissue damage\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Maracyn Oxy Does NOT Treat\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal fungal infections\u003c\/strong\u003e — this formula works on external surfaces only\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGram-negative bacterial infections\u003c\/strong\u003e — use Fritz Maracyn 2 (minocycline) for systemic or deep gram-negative infections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGram-positive bacterial infections\u003c\/strong\u003e — use Fritz Maracyn (erythromycin)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParasites\u003c\/strong\u003e (ich, velvet, flukes, internal worms) — no antiparasitic activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant: Fungal Infections Are Almost Always Secondary\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eSaprolegnia\u003c\/em\u003e and \u003cem\u003eAchyla\u003c\/em\u003e are opportunistic water molds — they colonize damaged, stressed, or immunocompromised tissue, not healthy intact fish. A fungal infection is a symptom, not a root cause. Identify and address the underlying issue (physical injury, fin nipping, bacterial lesion, infertile eggs) or the infection will return after treatment ends.\u003c\/p\u003e\n\n\u003ch3\u003eTreatment Protocol\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemove activated carbon before treatment — oxidizing agents are rapidly neutralized by carbon media\u003c\/li\u003e\n  \u003cli\u003e2.5 mL per 10 US gallons (38 L), once daily for 5 consecutive days\u003c\/li\u003e\n  \u003cli\u003ePerform a 25% water change before retreating if a second course is needed\u003c\/li\u003e\n  \u003cli\u003eSafe for biological filtration at recommended doses\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"4 oz","offer_id":50095451406573,"sku":"FRITZ-MARACYNOXY-4OZ","price":10.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/Fritz_Maracyn_Oxy_4oz.png?v=1781975376"},{"product_id":"copper-power-freshwater-copper-treatment","title":"Copper Power Freshwater Copper Treatment","description":"\u003ch2\u003eCopper Power Freshwater Copper Treatment (4 oz)\u003c\/h2\u003e\n\u003cp\u003eCopper Power Freshwater is a stable, chelated copper solution specifically formulated for treating external parasites in freshwater aquariums. Chelated copper remains bioavailable at a therapeutic concentration for longer than ionic copper, providing sustained parasite control without the dramatic concentration spikes that can stress fish. It is highly effective against Ich (Ichthyophthirius multifiliis), velvet (Oodinium), and other common freshwater external parasites. Unlike ionic copper, chelated copper can be used in soft water without the dosing instability that makes ionic copper dangerous in low-hardness tanks. Not for use with invertebrates.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChelated copper — stable therapeutic concentration without dangerous spikes\u003c\/li\u003e\n\u003cli\u003eEffective against Ich, velvet, and other external freshwater parasites\u003c\/li\u003e\n\u003cli\u003eSafe in soft water — chelation prevents pH-dependent concentration variability\u003c\/li\u003e\n\u003cli\u003eNot for use with freshwater invertebrates (shrimp, snails, crayfish)\u003c\/li\u003e\n\u003cli\u003eUse with a copper test kit to verify therapeutic levels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YoCamron's Aquatics","offers":[{"title":"4 oz","offer_id":50095485550829,"sku":"COPPERPOWER-FW-4OZ","price":7.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/files\/252631-endich-copperpowergreen-4oz-additive_1.jpg?v=1782308856"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/1032\/8813\/collections\/FRITZ_MARACYN2_20PK.png?v=1783464320","url":"https:\/\/yocamronsaquatics.com\/collections\/fish-health-medications.oembed","provider":"YoCamron's Exotics","version":"1.0","type":"link"}