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Hi Guys, What do you think of this floating pool chemistry monitor: cFloat - The Internet of Things comes to the swimming pool I don't like the pHin and Sutro. But this seems somewhat legitimate? I'd like to make measurements of the pool chemistry over time just for curiosity. Any pool...

So, I calculated the freezing point depression that would occur due to the 3500 PPM of salt in the pool. It is a meager .4C. I'd like to *TRY* to keep the pool running year round this year. We do get into the 20s here, but not usually for more than a few days. Does anyone have any experience...

Hi, I'd like to experiment with plaster. I'm having a hard time finding an inexpensive supply of white quartz sand available to the public. Have you been able to find a white quartz sand supply? I could use yellow play sand, but I was hoping to find something whiter, more akin to what you might...

I have one pool light niche at the deep end. My pool is about 35 ft long. I'm thinking about adding a 2nd pool light, possibly at the shallow end. I was wondering if anyone had done that as a DIY, or maybe assisted DIY? And if so, if you have any pointers, gotchas, advice, etc? I'm trying to...

Hi, I'm replacing my pool lights. I'm not 100% sure about the 1 retaining screw holding the light to the niche. Has anyone used marine caulking, or some sort of gasket, to give the niche some water protection? The fixture itself will be waterproof, but was wondering if anyone tried to make...

Hi All, I'm new to this forum. I've used it for numerous useful information over the years, browsing other people's questions. I was wondering if you could take a look at a proposed pool diagram, and let me know what you think, if there are issues, better ways to do things, pitfalls, etc. Let...