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We've had a large in ground pool for about 10 years. We have a heat pump which just broke. We've had a technician look at it, but he doesn't have a clue what it will take to fix it yet. When we built the pool, we plumbed pipes in to run water to our rooftop. They are capped at ground level, and...

Hello. I've had to SLAM our pool in the past and it worked. Now I'm not sure what is going wrong. We are on day 18. Our CYA started at 60, so I've been getting the FC up to 24 and then letting it get as low as 14. We are adding liquid chlorine 4-6 times daily and have added more than 200...

Hi all. I'm constantly adding muriatic acid to our pool to reduce the PH. That being said, since 5-30-21 until today, I've gotten the TA from 180 to 90. It's taken me about 15 gallons of acid to get here. Is that to be expected, or is something wrong? PH 7.8 Chlorine 2 TA 90 CH 480 CYA 35...

I put my hose in the water for 2-3 days to fill the pool. It was not running the entire time, but nobody pulled it out when it was not running. Once I pulled the hose out of the pool, it came out looking like this. It appears to be calcium, but I didn't taste it. Any ideas why this would happen...

Hello. fr about 10 days, I've been battling algae. I've been scrubbing and using our robot daily, and have been progressively riaing my CL to about 5 now where I'm keeping it. In the first few days, I was losing and the CL would be at 0 or .5 and I would bring it back. The CL seems to be stable...

This is our 2nd year with a pool. The people on this forum have helped turn my green pool into a crystal clear pool both summers. I'm very grateful. I also feel that next year I will have a much better understanding of how to not let my CYA get too high by using chlorine bleach instead of...

Last year my water turned green, and I came here for help. You expertly guided me to clear water using the SLAM process. Well- I'm back. Our water has been cloudy, but not green. It gets a little more clear, and then a little more cloudy. We are in Ohio, and have had tons of rain this year...

I bought a bucket of chlorine and what I got is labeled Sodium dichloro-s-triazinetrione dihydrate granules. When I use http://www.thepoolcalculator.com, there are several drop downs. The one I'm using that looks the closest is Dichlor. There is not a percentage on the drop down, although the...

Here is a photo I took recently after we had a swim party. The lights were glowing just right, and there was no wind.

In the spirit of sharing our knowledge, I'd like to share my observations for those that are building a pool now or considering what equipment/products to use for their pool. Our pool is a 42,000 gallon, inground and it is new. We finished it late in the fall, and filled it with water May 31st...

I've got a Hydrazzo finish in a new pool that was completed 11 months ago. I notice that when I first take the solar cover off the pool, the water is very clear, but as we swim, it kicks up "dust" and clouds the water a little bit. Ever since the pool turned green in June, I've become a TFP...

I've got a 42,000 gallon in ground masonry pool that we drain annually. It holds water for 3 months, and that is all. This gives us an advantage on things like CYA levels. I'd like to hear some different ideas on what chemicals we should use so we could spend the least amount of money, and have...

Hi, Since we got our pool, I've learned a ton from reading this forum. Thank you all! I'm at a point now where it seems like my chemistry is getting out of hand, so I'd like to ask for some advice. My pool is new, and it's only had water since Memorial day (about 8 weeks). It's 42,000...