SEACHEM TEST STRIP 6 IN 1 100

Chlorine test (disinfectant in tap water)
pH test from 6.4 to 8.4 (acidity of the water)
KH test (pH stability of the water)
GH test (general hardness)
Nitrite (NO2) from 0 to 10 mg/l (poisonous nitrogen compound)
Nitrate (NO3) from 0 to 250 mg/l (cause of algae)