7 in 1 Aquarium test strips 100 pieces 100 times of testing Nitrate: NO3 in concentrations greater than 50 mg/L is harmful to sensitive fish and additionally promotes algae growth. It will highly distress your fish and affect the growth of young fish.... more
Description: This versatile aquarium test strip accurately monitors 7 important parameters:Hardness Nitrate(NO3) Nitrite(NO2) Cl2 Total Alkalinity Carbonate and PH. Nitrate:NO3 in concentrations greater than 50 mg/L is harmful to sensitive fish and... more
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