API Nitrite (NO2) Test Kit - Monitor Nitrites To Reduce Fish Loss Invertebrate Accessories Color is chosen randomly at

Color is chosen randomly at time of packing (green

a double suction cup holder to securely place the heater anywhere in the tank and an easily visible control lamp that indicates red for "heating up" and green for "temperature reached"

0%Vitamin A 15000 IU/kgVitamin D3 2100 IU/kgVitamin E 100 IU/kgAscorbic Acid 35 mg/kg

making it easy to use the tubes as dispensing tools

and 1 x 594

API Nitrite (NO2) Test Kit - Monitor Nitrites To Reduce Fish Loss Invertebrate Accessories Color is chosen randomly atTests for nitrite in freshwater saltwater aquariums. Nitrite, toxic to fish, is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. Reads levels from 0 to 5 P. P. M.