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I help maintain a 1965 33k gallon pool that belongs to my wife's grandma. The underground plumbing appears to be galvanized pipe. The eyelets have been missing for the 20 years I've been around the pool. One inlet terminates as straight, threaded pipe of an odd size. I can screw in a typical...

Picked up pool sand filter at Leslie's (I know, I know) because it was the closest and easiest. The clerk assured me (I know, I know) that it was #20 sand even though it doesn't say so anywhere on the bag. I figured I'd verify it on the net when I got home but have been unable to do so. Anyone...

There's a big warning on the bottle with directions to flush with water for 20 minutes following contact with skin, and information about carcinogenic effects, but how dangerous is it REALLY? I ask because the TF-100 kit dispenser for this stuff makes it almost impossible to avoid getting a...

I need to replace a lateral or laterals plural. Trouble is, the manual lists two different parts - on for pre-2005 models and one for post-2005 and I don't know which I have. The serial number stamped on the filter doesn't match Hayward's typical 17 digit format (the numbers I know how to...

Couldn't wait to test, despite the fact that I know my CYA levels aren't ready yet and two days of strong thunderstorms that filled the pool to the top. Here's what I got, followed by some commentary. I welcome yours as well. pH - 7.5 FC - 0.5 CC - 0 TC - 0.5 CH - 225 TA - 80 CYA - 0 Copper -...

After reading a few threads about the Intec Water Doctor copper ionization systems, I've decided to surreptitiously switch my in-laws' pool (that I've taken over maintenance for) back to chlorine. I'm waiting to receive my TF-100 test kit, but in the meantime bought some cheap test strips...

Backstory (skip if you don't care): I have inherited care of my in-laws' 40 year-old pool for my kids to use. I was in the midst of turning it from green to blue when a valve went bad (I think). I got the pool blue, but couldn't finish vacuuming before I had my issue, so there's still a lot of...