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I have a problem with the tile grout at the waterline. I'll describe what I'm seeing (with pictures!), what I did, and then the recent history. As illustrated in picture 1, there is some kind of build up on the grout that is above the waterline, but not below the waterline (with one exception...

We had our in-ground pool replastered in April. The vendor asked if we wanted to replace the bulb in the light. It was working fine but was 22 years old and I was under the impression the water level had to be below the light to replace. Always learning something new...I should have researched...

Just had our pool replastered with Diamond-Brite in April. We've been trying to keep pH at 7.2 per instructions but it likes to climb with the new plaster up to 8.0. (Today's test results below.) Yesterday, I noticed rust and black colored spots in the pool, particularly in creases. Some but not...

New member here. What I've read on this forum suggests a lot of smart people willing to help others and explain things. The background on my issue is lengthy, but the bottom line is I can not get the DPD chlorine test to show any color. I've neglected the water chemistry this year due primarily...