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Just got done shocking my pool for about 3 days. I hadn't tested PH during this time because I read on this site that PH test is unreliable at high chlorine levels. With CYA=60, I was shocking in the FC=high 20s. FC is now down to 10.5ppm and I tested PH expecting it to be high since I shocked...

As the title of this thread implies, I've been getting inconsistent CYA test results. I have a test kit with the black dot CYA test. Sometimes I get 30ppm, sometimes closer to 60ppm. I've been maintaining chlorine levels consistent with CYA=60ppm just to be safe (actually a little higher due to...

Is high chlorine demand an indication that I need to shock my pool? Every since switching to BBB a week ago my water is crystal clear and I don't accumulate nearly as much "junk" at the bottom of the pool. However, my chlorine demand is 4-5ppm per day. Not sure if this is within normal...

I finally broke down last week and bought a test kit that allows you to test chlorine levels above 5ppm. After being told by the pool store guys for over a year that my CYA was 100 ("That's as high as we can test for but it's ok since you live in Florida" or my favorite "Take the pucks out for a...

I have a 15,000 gallon in-ground concrete pool. The surface of the pool has pretty much worn off (rough on the feet). Every time I try and brush the pool, I kick up clouds of something, not sure if it's organic or more of the pool surface. Then it takes a couple days for the cloudiness to go...