Instant Ocean Sea Salt — Marine Aquarium Salt Mix

Instant Ocean Sea Salt is the world's most trusted saltwater aquarium salt — used by more marine hobbyists and public aquariums than any other brand. Its proven, consistent formula mixes clear quickly and reliably replicates natural seawater chemistry, making it the go-to foundation for fish-only and reef aquariums alike.

Key Features

• World's #1 most-used marine aquarium salt
• Mixes clear quickly and consistently every time
• Neutralizes trace heavy metals found in tap water
• Formulated to replicate natural ocean seawater chemistry
• Suitable for fish-only and reef aquariums

Mixing Ratio

• ½ cup per 1 US gallon of dechlorinated water

Available Sizes

• 160-Gallon Bucket
• 200-Gallon Box