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This was from January, a couple of months before I changed the water and were pretty typical: TAC=5 CYA=120 TA=100 PH=7.6

The old plaster was removed down to the gunite and the plaster is 4 years old its just the top layer that has flaked off, not all the way down to the gunite. The tests from leslies don't show any iron or copper in the water. when I drained the pool in the spring the daytime temps were 80 and...

Hello Everyone, I have an in ground pool that I had replastered 4 years ago. I drained it in the spring this year as the CYA level was around 130 and filled it with fresh city water. About a month after filling it I noticed 4 areas on the top step that the plaster has started to flake off. I...