7in1 Water Quality Test Paper Drinking Water Test Strips Water Hardness Test Strips

Feature: 1. With this test paper, you can control 7 values ??that are crucial for good water quality: pH (acidity), total alkalinity, hardness, bromine, NO2 (nitrite), NO3 (nitrate) and total chlorine. 2. These values ??determine how healthy your aquarium is. Abnormal values ??can cause problems. 3. Good water quality is essential for the fish and plants in your aquarium. 4. Regular testing of water quality values ??helps ensure that fish live healthy and happy lives. 5. Easy to use. The packaging includes 50 pcs of test strips, which can be used for a long time. Specification: Material: PET Test time: 60s Shelf life: 2 years Certification: FDA, CE, ISO Test items: PH, total alkali, nitrite, residual chlorine, total chlorine, hardness,