Dosing Calculator
Find how much salt is needed to reach the specific salinity in your aquarium type.

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The essential first step in establishing a healthy saltwater aquarium.
Waterbox Starter Bacteria provides the vital foundation for a stable and thriving saltwater system. This concentrated formula introduces powerful strains of beneficial nitrifying bacteria that jump-start the biological filtration process, converting harmful ammonia and nitrite into the less toxic byproduct nitrate. The result is a balanced ecosystem where your marine life can safely flourish.
Designed for use during the initial setup, Starter Bacteria accelerates the establishment of the nitrogen cycle, helping new aquariums become biologically ready in a fraction of the time. We recommend using a fishless cycling method—adding a small amount of fish food as the waste source—allowing these bacteria to naturally colonize your rock, sand, and filtration media without causing harm or stress to livestock.
Key Benefits:
• Rapidly establishes the biological filtration needed for saltwater aquariums
• Converts toxic ammonia and nitrite into safer nitrate
• Supports a smooth, fishless cycling process with no harm to livestock
• Shortens the time required before safely adding fish and corals
• Promotes long-term water quality and biological stability
With consistent dosing and water testing, Waterbox Starter Bacteria ensures your system develops the microbial strength needed to maintain long-term water quality and stability.
Directions for Use:
Add 1 drop per 100 L (25 gal) daily for the first 14 days. Shake well before each use. Test water parameters regularly for ammonia and nitrite.
Find how much salt is needed to reach the specific salinity in your aquarium type.
With decades of professional aquatics experience, the Waterbox Method was designed to help hobbyists create beautiful and vibrant home aquariums.