No chlorine pool but need to add chlorine

CrystalRiver

Well-known member
Jun 19, 2020
648
Massachusetts
200-300 ppm chlorine !!!

Let's do some quick math. My pool gets about 1 ppm rise per cup of 10-12%. 16 ppm per gallon. My dinky little pool would require about 42 gallons of chlorine. I *might* have used that much this spring when I restored the pool (abandoned for years, there were frogs). And that was over the course of six weeks or so, certainly not all at once.
 
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