Pack Checker NO2

Nitrite formed from ammonia is harmful to aquatic creatures, such as fish and shrimp. The level of NO2 in the tank goes up right after the initial set-up of the aquarium and when the biological filtration becomes unstable. Excellent for examining the condition of the filter system.

Article Code Item
103-203 Pack Checker NO2 (5 packs)

The purpose of Pack Checker