Water hardness meter for pure water cleaning systems
Water hardness meter for photovoltaic panel and glass cleaning systems with pure water generation system.
Simply pour a little water into the instrument's cap, insert the instrument into the cap and the water hardness value is immediately available.
Remember that 1 French degree is equivalent to 10 ppm.

Attention: the product may differ in color and aesthetics. The characteristics remain the same.
Based on 1 review
Simple instrument to use but does the job. Compared with the values of waters I already knew the values and after testing with this instrument it was similar (Translated review)