eSHa Aquarium Quick Test Strips 6 in 1 - 50 Tests

Use this multiple test (6 values per strip) for an economical, practical, and user friendly way of determining your water quality (50 strips per tube). Tests the following PH - Acidity 6.4-8.4 (KH > 3ºdH) KH - Carbonate hardness 0-20ºdH (0-356 mg / l CaCO3) GH - General hardness 7>14>21ºdH (0-374 mg / l CaCO3) NO2 - Nitrite 0-50 mg / l NO3 - Nitrate 0-500 mg / l Cl2 - Chlorine 0-3.0 mg / l