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Test Results Here are my test results. The only one that I am not confident of is the Cyan: FC 4.5 PH 7.2 TA 90 CYA 20 Calcium 200 I have been brushing the pool daily with the wire brush and running the filter about 8 hours a day. The crystals are less but they are still SHARP and my feet...

Crystals Dave, Thank you! I am learning. I am waiting on a pool expert to look at the pool and tell me about acid washing. Getting lots of advice and I am so appreciative! Have a great Memorial Day, Jody

I read the article on calcium nodules. What I understand is that we may need to replaster or is that just in the worst case scenario? I am going to the pool supply store in Round Rock to get acid wash and try it.

Crystal deposits Some information about the water might help you too--Rockdale, Texas water has iron suspended in it and is hard. It appears that someone threw chlorine tablets in the bottom of the pool. You can see the outline of 3 inch circles on the floor of the pool. Those areas are the...

I am so new to this forgive me if I am asking a dumb question, but how do I tell if it is calcium?

Photos of Crystals The crystals are dried this morning and some can be scraped off with my fingernail. Others are stuck tight!

We bought a house with an inground plaster pool. We removed the cover today and drained the pool. There are crystals growing all over the pool walls and floor. I am a newbie at this so I have a lot of questions. I can remove the crystals with a scraper--have tried that and it works. If I use the...