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Last July, I came here for help clearing a cloudy pool. With advice from others here, I lowered CYA from around 270 to normal over the course of three rainy months, chose a new pool robot, and have kept the pool in great shape with only one brief SLAM needed after being away. It is so nice to...

I spent too much time trying to solve this problem, and am posting here what worked in hopes of saving someone else some effort and hassle. One of the two knobs that hold the lid on my Hayward strainer basket kept popping out when I tried to tighten it down to reseal the lid after emptying the...

I feel sure this question has been answered, but I've searched and read many posts and not found one that quite matches what I'm seeing. My DPD test turns pink then goes to a color I'd call taupe or brown but never clear. I am definitely using the right reagents, and they don't show the color...

I think I got my Dolphin Deluxe 4 in summer 2012. This past week, a lightning storm took out three expensive items that were 8 days to one month out of warranty (grrr) along with my Dolphin power supply, an item that has far outlived its warranty. (In case it's helpful to others, I used this to...

I live in central Florida. Our average annual rainfall is 52", and we're in the rainy season. I haven't yet used the pool water dilution method to find out how much over 100 my CYA is (updated with estimate by this method, below). I'm kind of afraid to learn. I've just taken over pool chemistry...