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Opened to a super clear pool. Started with Tri-chlor and then switched to powder shock. Added a SWCG and then the pool store told me my phosphates were 4000. They sold me NoPhos without metals. (I know- don't trust pool stores). I used 16oz of the product and then two days later the store says...

Hello all, I have an 18’ round above ground chlorine pool. Vinyl and a cartridge filter. I use either stabilized trichlor tabs or calhypo powder. My CYA went over 100 so I have switched to calhypo powder for the summer. I am pretty confused as the local pool shops all give differing info on...

I have had CYA above 100 for a couple Months. Switched to calcium hypochlorite powder when my CYA went high. I do not think I ever had chlorine lock because my chlorine numbers fluctuated regularly. Kept using the cal hypo. Drained about a foot or so and my CYA is now 87. Alk. is 122...