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Ive been reading all of this chemistry stuff and i must be stupid because i dont get it. i figured out some of it but not others. is there a pool for dummies book anywhere? my hubby is laid off so a 68 dollar test kit is out for me right now. we are both scratching our heads here.

Thank you. i put 4- 5.89L bottles of Clorox bleach in it today. The free chlorine level sed 10+. it was the highest on the strip it would go. PH 7.8. I turned the pump on 24/7 for the afternoon until tmrw. I see the grey particles you have been talking about. it almost looks like sand on the...

Ok guys you have to excuse my ignorance. i have very little to go on here as we just bought this house last august and never had a pool in our lives. Pool guys opened it and closed it. When they closed they put a floating chlorine puck thingy in for the winter. By end april with the hot...