Knowing whether or not your incoming water is hard or soft can be an important factor.
For example if you were looking to purchase a new commercial glasswasher it is vital it's installed on a soft water supply. Equally if you already have a commercial glasswasher and you are in a hard water area you may need to check that staff are regularly regenerating the water softener.
This Pack of 50 total hardness test strips is fast & easy to use. Simply dip the strip into water and observe the colour.