Description
- The test paper has high precision, simple operation, convenient carrying.
- Quickly test the Nitrate Nitrite PH Carbonate Hardness General Hardness in water by colorimetric method.
- Commonly used in swimming pools, spas and other industries.
ESENHUANG50 Strips 5 in 1 Swimming Pool Spa Water Test Strips Nitrate Nitrite PH Hardness
