Tropic Marin Nitrite/Nitrate for Fresh and Saltwater Aquariums

Petco $21.73 Go to Petco First seen in Jan 2024
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 works, nitrite is converted to nitrate in the second stage.
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