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I have an inground vinyl pool with a heater. I generally use the BBB method these days, but I occasionally use ph+ and calcium hypochlorite. (Poolife Active Cleaning Caplets which are just like the older Durations, mainly to finish off what we had bought in the past.) Over the winter it has a...

I have a question on liquid stabilizer. I opened the pool yesterday and basically have a CYA reading of 0. (In-ground vinyl pool.) I use a mesh safety cover and partially drain the pool each closing and it gets new water throughout the winter, but there's usually some readable but low CYA...

This morning when I turned on my inground pool there was a large amount of air belching into the pool from the return lines. I also had to bleed air from the filter. Once I let it run for a minute everything looked fine. No air bubbles anywhere that I can see now. I turned it off again for...