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I'm pretty sure this is from pool chemistry ignorance (my calcium was too low for too long and pH too high over the winter). Question is, what's the better method for removal - acid wash or sanding? I've read negative things about both so I guess I'm looking for the best combination of ease...

I SLAMmed my pool for a week and got it clear about 10 days ago. Since then, I have been maintaining between 4 and 7 ppm FC, generally needing to add 1 or 2 gallons per day of bleach (12.5%), and the water has stayed nice and clear. Yesterday morning the FC was at 3, a couple kids swam a...

I've been working on my pool for about 10 days now and I can't get rid of the cloudiness. I think the water is greenish-blue as well but I'm not sure if that's just the cloudiness. I've been shocking like mad for several days. Readings from 7:00 this morning: FC - 19.0 CC - 1.0 pH - 7.5 TA -...

My pool was completed in Aug of 2008. The builder also did the concrete deck. I knew nothing about pools or pool construction so the fact that the guy didn't seal the expansion joint wasn't something I looked for. Long story short, the deck has settled about 1.25" in two spots which is...

I'm helping someone open their pool that hasn't been used for 3 years. It's 20k gallons, vinyl, sand filter. The water out of the returns is white, almost like it's air coming out but it isn't. When I was taking the tests, I noticed tiny dots throughout the sample that the test chemicals were...

I opened my pool about 2 weeks ago and had a bit of a green algae issue, nothing severe but the water was a solid green. I shocked the pool the way I was told (this is pre TFP unfortunately) with the granular type of chlorine. Shortly thereafter I discovered this fine site and switched over to...

Just read the "how to lower total alkalinity" article and I was wondering what suffices for breaking the surface of the water using the return line for aerating purposes? Does it have to actually shoot up out of the water or is the bubbling good enough?