Tag Archives: CH

How to test for Calcium Hardness (CH)

Water that has low Calcium Hardness¬†(CH) tends to attack most pool surfaces (except vinyl pools). However, too much calcium leads to excessive scaling which can clog pipes and render salt-water generators inoperable. Therefore maintaining a balance of calcium is critically important to the long term maintenance of your pool. The instructions on the sides of […]

An update on test contents and availability

Some news from the Clear Choice Labs: We are now in the final stages of making salt, TA (Total Alkalinity), and CH (Calcium Hardness) tests available as a part of the Clear Choice Labs range. Salt tests should (couriers willing update 26/11/15: couriers were not willing, these will be available Monday 30th November) be arriving […]