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    SOS for pool

    Good morning , We just purchased a home that has an 18x33 oval above ground pool with a vinyl liner. When we looked at the home in late March it was clear. When we moved in early April the water was green. Here's the history since then and I really need some advice as I don't know which...
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    Hello from San Antonio!

    Hi, We just purchased a home with a 7 yr old above ground pool. It stays green! We have changed all the sand in the filter and are now in day 2 of muriatic acid to lower the ph and alkalinity. More work than we anticipated!!