Tag Archives: calcium

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 […]

Test Kit Reagent Compatibility Chart

Some people have asked us whether our reagents are compatible with other commonly available Australian FAS-DPD pool test kits. Where we know this information, we have provided it below. “Full” means that these chemicals are essentially identical. “Compatible” means that as long as the reagents are used in our bottles, then our reagents are 100% compatible, […]

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 […]