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My pool went from crystal clear to cloudy overnight. My CYA dropped from 50 to 20, Ph from 7.5 to 6.8 and TC from 5 to 0. I don't think my CYA level was high enough at 50. It's been open for 2 months with no problems. I do have solar panels and a solar cover and the temp reached 97 degrees...

Thank you for the info. I haven't put the chemicals in yet because I need to get my water level up so we can backwash first. We haven't had any rain in a couple of weeks. I have another issue now. My pool turned cloudy overnight and my FC and TC fell from 3 to 1.5. I'm assuming I have alga...

FC 3 TC 3 PH 7.9 ALK 110 CH 100 CYA 20 I need to reduce my PH and ALK and increase my CYA. Which one should I do first? Recommended numbers for a vinyl pool with SWG are CYA 70 - 80, PH 7.5, ALK 60 - 80. I use the SWG to maintain my FC but I use bleach to increase it or SLAM when necessary...

We normally drain our vinyl-lined pool below the jets as described, blow the lines, add anti-freeze etc. When we're done with all that, we refill the pool to about 2 inches below the skimmer. We do this because we are concerned about our liner collapsing. We have built-in steps and the top...

I just finished slamming my pool yesterday. My chemicals need to be adjusted but I don't know how long I should wait to do it. As of this morning my numbers are: FC - 15.5 CC- 0 CYA - 60 ALK - 130 PH - 7.4 CH - 170 I know my FC will continue to drop and I will need to maintain it at 3 - 5...