Debi T Posted June 30, 2023 Report Share Posted June 30, 2023 We emptied pool about 1/3 down and refilled as our calcium tested 540. What chemicals do I need initially and should I run pool for 24 to 48 hours? Quote Link to comment Share on other sites More sharing options...
waterbear Posted July 8, 2023 Report Share Posted July 8, 2023 Post a full set of test results please. It's impossible to tell you what you need if you don't tell us your water parameters first. How many gallons is your pool? How are you chlorinating? (trichlor, dichlor, sodium hypololirite, bleach, calcium hypochlorite, SWCG) Why did your calcium rise so high? What is the calcium hardness of your fill water. Are you using cal hypo for chlrinatoin or shocking (cal hypo, calcium hypochlorite adds 7 ppm calcium for every 10 ppm chlorine added. Quote Link to comment Share on other sites More sharing options...
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