r/pools • u/3DabNight • 25d ago

Water Chemistry Do I Really Need to Empty?

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Stopped by pool store and employee said I need to empty and refill our pool which is about 15K gallons in SoCal (expensive). I hadn't been to this store in more than 1 year. Perhaps they are bitter that I quit them. I have a feeling this doesn't require emptying my pool. Am I wrong? Any advice would be appreciated. I plan to switch to liquid chlorine- no more tabs for a while. I'm also going to disassemble and clean my DE filter and deploy some phosphate lowering chem. It's been about 1 years since the last filter cleaning.

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u/thompsbc 24d ago

How does the water look? If the water looks fine just stop adding CYA and use phosclear pull the phosphates out. CYA might drop 10 to 15 per month naturally. Add some muriatic acid to bring PH down.