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Quick question. I know that most (if not all) SWG's monitor the water temperature, but from what I can tell it seems that it's mostly for shutting down the unit if water temperatures are too high or too low. Given that chlorine requirements are directly related to water temperature, it seems...

Don't know that I actually want to do this, but wondering if it would work. Thinking you could drain and line a pool with geotextile and then fill it with sand that's wetted down pretty well. Could also cover with plastic after it's almost full of sand and then add another inch or two of sand...

Long story related to CYA way over 100 all of last year due to years of puck usage by previous owner, even after draining and replacing ~1/3 of the water, 2+ PPM of iron and TA of ~240 all of last year, resulted in draining and replacing ~98%+ of the water last week after using AA to remove rust...

I purchased a house with an IG fiberglass pool with an automatic pool cover, so this is my first season closing it. The previous owner always lowered the water level to below the skimmer, but not below the returns as that would be too low for the cover an overstress it and the tracks. The...

In another post somewhere, I've read that when testing higher levels of chlorine, where 0.5 ppm accuracy isn't needed, that you could use 5 ml of tap water and 5 ml of pool water, and each drop should be equal to 1 ppm instead of 0.5. However, in practice, it doesn't work that way at all. When...

My pool has bad iron staining in some spots and a general dirty looking iron coating on the vertical fiberglass walls, especially the south shaded side. I just bought the house in July, and the previous owner opened this spring with straight well water at 5 PPM iron, which is where the iron...

Back story. I just bought a house with a pool at the end of June, and previous owner only used trichlor tabs and shocked weekly to keep algae at bay as he only ran FC of ~2 - 2.5. It wasn't used heavily, and with automatic, dark pool cover, he didn't have any major issues. I got the good...

After doing some research, I finally figured out that my fiberglass pool is the Pacific model by San Juan Pools. According to their website, the gel coat is NPG/ISO (Neopentyl Glycol Isophathalic), also called ISO/NPG from CCP Composites. A search for Neopentyl Glycol shows the chemical...

I just bought a house month ago with a 21k IG Fiberglass pool, with motorized water proof cover that's about 10 years old. I didn't really want a pool, but it's there, and it's very nice, but the previous owner (PO) only used the trichlor tabs, and was constantly shocking the pool. I've spent...