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I used to get 12% liquid chlorine from local pool store in 2.5g jugs. This year it costs $6 per gallon. In Homedepot I can buy 10% 1g liquid chlorine for $4.50(pool essentials). Assuming both are fresh, is there any point buying 12% and paying $1.50 more per gallon vs 10%?

Hi, I had new plaster installed (polished stones capes, on the expensive side). Its very smooth. Maintained water chemistry perfect. Closed with CH around 310, TA 100, PH7.6, CYA 30. At opening CYA not registering, CH320-330, TA 100. PH was 7.6, I brought it down to 7.4. Its a non-SWG...

Why shock level is recommended for closing? If you have solid pool cover the high clorine level is bad for the cover and will shorten its life. If you add algecide and closing in colder temperature, it will be ok without shock level, no alge will grow

Hi, Got new plaster, and builder basically said do proper chemistry and pool store basically refers to NPT instructions which somewhere say that calcium level should not exceed 200pm for first 28 days. Here is the deal, my fill water was 70ppm, so shortly after fill up I raised it to 150ppm...

Hi, I had my pool replastered. The new coat went on top of two existing coats. The contractor cut under tiles and pipe fittings, applied bond coat and then new plaster on top. He said he checked all existing plaster and it was in good shape (no delimitation/hollow). I read conflicting...

Hi, I am deciding which plaster to get for my pool. I can’t decide between stonescapes pebbles mini or polishedscapes. Polishedscapes is an aggregate mix or marble and glass that is later polished with diamond abrasives. Its extremely smooth and nice looking. The builder says that it has...