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Hello pool experts! Last year I noticed a gap forming between the mortar and rock on my waterfall spillway (see picture below). I thought it would be a good idea to inject a concrete/masonry caulk into this gap as a preventative measure. However, I can't figure out which material to use. The...

Hello, About a week ago I noticed what looks like calcium scale on one rock near my pool. Thing is, the white marks are way above the water line. This rock is near (within 2' of) the area where I drop chemicals (Cl, HCl, etc...). Is it possible these white marks are damage caused by muriatic...

Yesterday I got a new Intelliflo VS pump, and asked the tech to replace my regular 5/8" garden hose spigot with a 3-way valve so I can, "vacuum to waste." Perhaps there was a mis-communication, because this is what I got, I'm no genius, but I'm pretty sure I can't simply attach a hose to...

Today I began replacing stickers on my above ground plumbing. I decided to scrape off the old stickers (and adhesive residue) with a putty knife. After repeated scraping, the pipes started turning white (see attached picture). That is, I seem to have begun scraping off the black coating from...