Nitrite

Nutrafin Nitrite Reagent #2 Refill Is For Use With Nutrafin Nitrite Test (0.0 - 3.3 Mg/l). Nitrite Should Be Tested On A Weekly Basis As It Is A Toxic And Potentially Lethal Nitrogen Compound For Fish. Format: 10 Ml (0.3 Fl Oz).

Tests For Nitrite In Freshwater - Saltwater Aquariums. Nitrite, Toxic To Fish, Is Produced By Nitrifying Bacteria In The Biological Filter As It Breaks Down Ammonia. 180 Tests Per Kit.

Nutrafin Nitrite Reagent #1 Refill Is For Use With Nutrafin Nitrite Test (0.0 - 3.3 Mg/l). Nitrite Should Be Tested On A Weekly Basis As It Is A Toxic And Potentially Lethal Nitrogen Compound For Fish. Format: 16 Ml (0.5 Fl Oz).

Nitrite Develops When Beneficial Bacteria Break Down Ammonia. This Becomes Extremely Toxic To Fish When High Levels Of Nitrite Persist In The Aquarium For More Than A Week. Test Weekly.