I'm considering a SWG. I was told to buy a system roughly twice as large as needed so I'd need a about a 40K setup (pool is 18500 gallons). The price doesn't bother me but I was told to figure on replacing the cell every 5-7 years which is another 4-$500 and I'm not sure if there isn't a bit more maintenance to a SWG than there would be to my dosing system. As to softer water, I put about a bag of pool salt in my pool (scatter it around the pool over a few days) so the water is soft. No dry skin for me or my kids!
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Nick
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