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    Esther Williams wall decay?

    I joined here when we had our 15x30 Esther Williams above ground pool put in back in 2009 and learned how to manage the pool from reading a lot of articles around here. Haven't really had any issues until now. After removing the liner to have it replaced, the 4 central support straps were found...
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    Identifying sediment; fighting algae; & OCLT

    Is there a place to send a sample of sediment to finally determine what this stuff is? I've looked at it under a microscope & I see round objects... but then when I check pollen & algae photo samples, what I see seems like it could be either. The sample I put in a container still has the...
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    How much power does a shop vac need for closing?

    I thought I had seen some recommendations about shop vacs last fall, regarding how powerful the shop vac needed to be to blow out the lines when closing, but my searches aren't finding many details. In preparation for closing my AG pool (much later) this fall, I thought about watching for a...
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    Bad CYA rumors real or some other reason for CYA not rising?

    I spent some time searching/reading more on this forum about CYA and possible reasons for it not to go up after adding it -- I've seen comments about losing CYA via water loss (not happening), bacteria converting the CYA to ammonia (don't think that's happening), and a few comments referring to...
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    I kept getting 'stuff' settling in the dips/crevices of my l

    Split off of this post. JasonLion I don't know if this is similar to what I ran into, but I kept getting 'stuff' settling in the dips/crevices of my liner that looked similar to your photos, but the overnight FC loss test never dropped more than 0.5 and CCs were usually 0.0, sometimes 0.5...
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    Adding SWCG to system that already has timer for pump/solar

    I've been looking into whether to add a SWCG to our 11K gal AG pool. We already have the Hayward/Goldline Aqua Solar TC control to use as the pump timer & to control the solar heater diverter. Hayward's Aqua Trol looks like it comes with its own timer, which seems pointless to add to our...
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    Algae or sediment? Now I think it is the stairs

    I've been following the advice from the Pool School since shortly after we had our AG pool installed last summer and the pool care instructions from the store where we got it consisted of: "Here, put this in it." Instead, I joined this forum, learned how to take care of the pool here, bought the...