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Thread: Solar cover sizing question

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    Solar cover sizing question

    OK, we've decided to finally get a solar cover (thanks wife's bonus!)

    But our pool is old, pretty generic rectangle which makes the sizing easier but my question is it's 17'x32' should we get a 16x34 cover or a 18x34 cover and cut it down(worth the hassle for the extra 6" of cover on each side?)? (I'm going with a little longer to keep some on the reel).

    Thanks!
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    Re: Solar cover sizing question

    I have an odd-shaped pool and my cover doesn't quite cover it all.
    What I've found is that the open-water section tends to collects "stuff" dropping in (leaves, pollen, insects) which either sits there or eventually falls to the bottom. Unfortunately it's also by the steps, where the Polaris isn't very effective; I can see that part of the bottom just collecting more junk.

    If the open section was in front of the skimmer I think it would be okay. I think that should be your only consideration for whether to completely cover the pool. The difference in reducing heat loss and evaporation won't be much.

    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

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    Mod Squad JohnT's Avatar
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    Re: Solar cover sizing question

    Quote Originally Posted by uwimage
    OK, we've decided to finally get a solar cover (thanks wife's bonus!)

    But our pool is old, pretty generic rectangle which makes the sizing easier but my question is it's 17'x32' should we get a 16x34 cover or a 18x34 cover and cut it down(worth the hassle for the extra 6" of cover on each side?)? (I'm going with a little longer to keep some on the reel).

    Thanks!
    You'll be sorry if you leave some on the reel. The first good wind will pick up the cover and maybe the reel. You want the cover lying completely flat on the water.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: Solar cover sizing question

    Quote Originally Posted by JohnT

    You'll be sorry if you leave some on the reel. The first good wind will pick up the cover and maybe the reel. You want the cover lying completely flat on the water.
    I hadn't thought of that, and we do have some gusty days in N. Texas! Looks like I'll be getting one to fit!

    And Paul, good thoughts, we don't have that much flying around after the pollen from the oak trees (which is awful!) but I think we'll get bigger than we need and just take the time to cut it back vs. too small... We're getting a loop-lock cover this fall to take care of the leaves...I love our big trees but they are a PiTA!

    thanks for the tips guys!
    My pool works thanks to TFP

    Please support the site! pages/supporters/

    It's cheaper than your first trip to the pool store!

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    frustratedpoolmom's Avatar
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    Re: Solar cover sizing question

    Yup, get it larger and cut it to fit.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
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    amjohn's Avatar
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    Re: Solar cover sizing question

    Mine was larger- I ordered right size, but maybe they were just generous. I cut it down the same day I put it in the pool after letting is settle a little to straighten out. Cut it just right, measured and marked the cut line with a ruler and a sharpy even. This was mid-September- 90plus degree days but cooler nights. 2 days later, the thing had actually shrunk about an inch all the way around. It's not bad, and I ended up cutting it into 3 pieces anyways because it was too big to handle alone in one piece, but did not see the shrinking thing coming. Something to consider before you get out the scissors. Next time (hopefully years from now) I will let it sit for a couple days in the water and do all of its settling/shrinking/whatever before I start cutting on it.
    28 ft round Doughboy Sand Dollar II AGP, Aug 2008: 4 ft shallow, 6ft deep end: 24K gal approx Hayward Power-Flo Matrix
    1&1/2-HP 2-SPD Pump, Hayward 27-Inch Sand Filter with a little DE -(2) 4ftx20ft Solar Bear AGP Panels w/ Goldline auto-controller, 50ppm Borates And some day, maybe this year, a DECK!!!

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    Re: Solar cover sizing question

    Funny - I cut mine to fit a month ago; now it's warmer, and the cover got bigger. I could probably trim another 2-3" off the end and still be snug.
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

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