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Have been reading about pool chemistry for salt water pools, and have a couple of questions. First, here are my test results: 18000 gallons plaster pool in Memphis. FC: 4.0 CC: 0.04 Ph: 7.6 Alk: 40 Calc: 200 CYa: 20 Just kinda want to know why recommended CYA is so high? 80? To keep...

I have been using the troublefreepool method for about a month and a half now, and have virtually eliminated the black algae problem I have had for the last four years. Of course, my pool looks almost as good as it did when it was first built. Well, I should say, looked as good until seeds, I...

My pool is 6 yrs old, ~16,000 gal, white plaster. When we had it installed we went for the SWG. No problems whatsoever the first 2 seasons. CYA 0 and fc between .5-1.5ppm. Got black algae bloom season 3 (pool was 2 yrs. old). Put 5lbs of 99% diclor and brushed like crazy, and it went away...

Split from Any way to remove copper safely? Zea3 Hope Im not out of line jumping on the end of this thread with my problem. My pool is 6 yrs old. When we had it installed we went for the SWG. No problems whatsoever the first 2 seasons. CYA 0 and fc between .5-1.5ppm. Got black algae bloom...

Am new to the forum, but just want to know why the experts on here recommend higher fc levels than any of the pamphlets or other materials I've read. Not being critical, but just want to know the reasoning.