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we had trouble early in the year with keeping our pH down. I think we’ve got that under control (I know it’s a little high now- I need to add some acid in), but I have been unable to get our CYA up. I added 2 pounds about two weeks ago and another 2 pounds about five days ago. The reading is...

We have the attached system. As you can see the inspect cell light is on. Using my TF-Pro test kit, it says I have 3,200ppm salt in the pool. We tried pushing the diagnostics button. When we did that the number on the box went from “2.20” to “29” and when we pressed it again, it went to...

I am not sure what I need to add. What does 1 cup “by volume” of the acid mean? Is that 1 cup or 1 cup per so many gallons? Also- any other advice given the other numbers? We have added UV shield every week but the CA number isn’t getting much higher. Obviously there is something wrong with...

this is my first time posting. We had a TON of algae when we opened our pool. After a few weeks of brushing, shocking, and getting everything functioning; this stuff won’t budge. We have been to our local pool supply dozens of times, socked, algecide, all of it. I recently found this forum and...