Re: Pool Calcium levels
Just got the Taylor kit, and tested all: CH = 800 ppm(!), and the city water input tested at 110 ppm; CYA = 62; Alkalinity = 60. Chlorine and pH were both good, 4.0 and 7.3, I just added sodium hypoclorite and muriatic acid yesterday--it's been quite rainy the last couple days. I can't understand why the calcium is creeping up.
I haven't shocked the pool since we bought the place in May--is this necessary? What does it actually do? The pool doesn't get heavy use--we are only two using this big pool. We just bought new filters--they system takes 2 of the Hayward Star 1200 series. Does filtration affect calcium in concrete pools in any way?
Last edited by PoolDoc; 08-22-2012 at 11:26 AM.
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20x40 rectangle 28K* gal IG concrete pool; sodium hypochlorite; Hayward Star Clear 1200 (2) cartridge filter; SR 2.5 hp 1 speed pump; 6 - 8 hrs; gas heater, spa, fountain or waterfall; All-Clear 2-way test kit ; Taylor 2006C; utility water; summer: none; winter: none; none; PF:4.3
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