Nitrite/Nitrate for Fresh and Saltwater Aquariums, .5 LB($21.73Value)

Description

Nitrite (NO2-) and nitrate ions (NO3-) are formed from ammonium (NH4+) as part of the nitrification process. Nitrite, which is highly poisonous to freshwater species, is produced in the first stage of the bacterial process. If the nitrification process...