Has anyone here heard of using the product Damprid to add calcium to a pool? I'm attaching the MSDS. The only thing in there that has me questioning the use is the potassium. I can't get the ice melter around here, cal-hypo "shock" products are hard to come by, all I can get is dichlor or trichlor (don't need more CYA), and Home Depot only sporadically has the small jugs of "calcium hardness increaser". Would this stuff be worth a try?
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