UWEB Posted October 14, 2023 Share Posted October 14, 2023 If you test your Pool Water for Calcium Hardness are you using a normal Total Hardness Test or a Calcium Hardness Test? Link to comment Share on other sites More sharing options...
Bagwain Posted October 15, 2023 Share Posted October 15, 2023 You really need to test for calcium hardnesa. Ideally (200 - 250 ppm) Link to comment Share on other sites More sharing options...
UWEB Posted October 15, 2023 Author Share Posted October 15, 2023 1 hour ago, Bagwain said: You really need to test for calcium hardnesa. Ideally (200 - 250 ppm) Any suggestion for a Calcium Test, preferably a digital Tester? For now I've found one Test Kit but this has a range up to 100 ppm only. Not sure if below shown Hanna Tester HI758 will do, range 200-600ppm. Link to comment Share on other sites More sharing options...
Bagwain Posted October 15, 2023 Share Posted October 15, 2023 Unless it is a commercial pool don't sweat! Link to comment Share on other sites More sharing options...
sappersrest Posted October 17, 2023 Share Posted October 17, 2023 A digital test for total hardness is only good so long as the machiine remains calibrated . Are you worried it is to high, or low. if is to high the only way is dilution but the catch is it must be done with water that is low in total hardness. If it is to low the best way is to use a calcium based chlorine produt such as calcium hypochlorite. As as been previously stated unless it is causing major problems or you are a comercial pool best leave well alone as you will be chasing your tail for ever. A good test to get is aquatest 7 this does test for calcium hardness they are made by Hach who are also well known for medical test strips, a first class product but not cheap about $ 30 Au. Link to comment Share on other sites More sharing options...
sappersrest Posted October 17, 2023 Share Posted October 17, 2023 Link to comment Share on other sites More sharing options...
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