Size: 250 ml

Instantly create a bio filter in saltwater aquariums that can eliminate new tank syndrome and remove toxic ammonia and nitrite without any sulfurs or odors.

Perfect for fishless cycling new aquariums, especially if used with Dr.Tim’s Ammonium Chloride.

Dr.Tim’s One and Only Live Nitrifying Bacteria for saltwater tanks is widely used throughout the hobby and can be used to help prevent common issues with new tanks while helping stabilize existing tanks. Dr. Tim is considered to be one of the premier authorities on marine nitrifying bacteria in open and closed systems. One & Only contains millions of live nitrifying bacteria that will help quickly establish a biological filter in your aquarium allowing you to add fish almost immediately.

• New Tanks.
• After Water Changes.
• Adding New Fish.
• After Treatments.

Refrigeration not required – Never freeze or store in temperature over 95°F – Stable for up to 6 months at room temperatures and up to 1 year at temperatures ranging 40°F to 50°F.