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I’m not sure who to notify so I’ll try here. The pool math app computes the same free chlorine parts per million for any bleach percentage 11 and above. Ex: 10%, .5 gal = 1.1ppm 11%, .5 gal = 1.4ppm 12-21% all stay 1.4ppm I found it if I double the volume and half my percentage I’ll get...

Project: Pool deck replacement, and new tile installation for a 20x45 gunnite pool. The deck is roughly 1500 square feet of cantilevered comcrete slabs. Demo work started Oct 5th. Our concrete deck had cracked slabs, peeling surface layer and in general, has been turning to rubble since we...

I normally use the bleach baking soda method but given how hard it is going to be to get bleach this summer I’m considering using pucks again. Can anyone recommend the best brands that are mostly just chlorine and stabilizer without the other junk additives?

As stated I just beat back my recurring mustard algae. Been balancing brushing and slam the pool for 4 days. It looks great and we have been swimming the last few days. It seems fine but it tests with 0.5 CC every time. Should I be concerned? Recent info...

Been reading here on and off for a while and I am ready now to dive in. This is my 6th summer owning a classic rectangular gunnite pool. Built around 1970. It's rekindled my love for swimming. Kids and family love swimming in it! Needs lots of work and TLC but structurally I feel it is in...

The door is a standard Pentair door it's an older part 8650-4 (Pentair 08650-0022 Sta-Rite U-3 Skimmer Weir Assembly for Pools - is the current equivalent I can find) The dimensions match the new ones available approximately 8 3/8 inches wide. My problem is that the skimmer housing seems to...