aquadur – test strip – M&N – 100 sticks/pack
- A special “ready-to-use” test strip for determination of water hardness.
- Clear color changes from green to red guarantees reliable test results.
- Can precisely determine water hardness in a liquid very precisely from very soft water to very hard water.
- Since the color change is very clear and sharp with green / red indication they do not require any reference color scale for matching.
- The hardness of the water depends on its content of calcium and magnesium salts and expressed in terms of ppm (mg/l) CaCO3.
- Packed in a box of 100 strips of 6 mm width and 95 mm length
