Water is an essential resource in human life, and the quality of water directly affects people's lives and health. Water hardness is an important indicator of water quality. The level of water hardness not only has a great impact on human health, but also has a great impact on life and industrial water. Testing water hardness can help us understand the water hardness situation, so as to take corresponding measures to ensure the quality of water and the use of effect.

MN's new AQUADUR TH 400 semi-quantitative water hardness test strips are designed with a single colour block, which makes reading easier and more intuitive compared to multi-colour blocks. With the simple dip/read principle and a clear colour change from green to red, you can get reliable re

This product has a measuring range of 0 - 25 - 50 - 120 - 250 - 425 ppm CaCO₃ and can be used in applications such as aquaculture, beverages, surface water, boiler water, cooling water, seawater, mineral water, swimming pools, drinking water, dairy processing industry and environmental analysis.