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Thread: UV blocking cover?

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    Join Date
    Sep 2014
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    Oviedo, FL
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    59

    UV blocking cover?

    Hi forum,

    We're going on vacation for a week coming up later this month. I'd like to get a cover that will block UV from the sun so my chlorine stays strong while we're gone. The pool is screen enclosed, and in Florida we don't necessarily need a 'blanket' to retain heat. So, I don't need anything specific for keeping out debris or to keep it warm.

    The pool is freeform, so covering 100% will be tricky, does it still benefit me to cover most of it?

    Dark in color?

    Is there a material that is better at UV resistance? Would a tarp work (floated, perhaps, with pool noodles?), or is a Bubble wrap cover better for UV blocking?

    Thanks in advanced!
    ~Adam 12K gal free-form pool with spa, Hayward EcoStart VS pump, Hayward T-15 SWCG, Hayward C17502 filter, Hayward Heat PumpPro 140k BTU, Stonescapes minipebble. tf-100 & speedstir.
    5.5 foot retaining wall. Build completed in Feb 2015.
    East Central FL.

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    Patrick_B's Avatar
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    Re: UV blocking cover?

    I presume this is for preventing FC loss while you are gone? If so, I would suggest experimenting with Pucks, and getting the FC level up high just before you leave. Let the pucks provide FC while you are away, provided your Cya is now at a reasonable level. UV also takes care of CC buildup, so you don't want that going to the high side, and doing this would be cheaper and much easier than the hassle of a new cover. Especially if you won't need it much upon your return.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

  3. Back To Top    #3

    Join Date
    Sep 2014
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    Oviedo, FL
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    Re: UV blocking cover?

    Ahh! Thanks Patrick. All good input. I have a SWCG, so I think I'd skip the pucks, right?
    ~Adam 12K gal free-form pool with spa, Hayward EcoStart VS pump, Hayward T-15 SWCG, Hayward C17502 filter, Hayward Heat PumpPro 140k BTU, Stonescapes minipebble. tf-100 & speedstir.
    5.5 foot retaining wall. Build completed in Feb 2015.
    East Central FL.

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    Mod Squad tim5055's Avatar
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    May 2014
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    Re: UV blocking cover?

    Quote Originally Posted by AChristie76 View Post
    Ahh! Thanks Patrick. All good input. I have a SWCG, so I think I'd skip the pucks, right?
    If you have a SWCG why the UV blocking? That is the whole idea of a SWCG, it adds the chlorine you need every day. If anything turn it up a little so the FC is a little high when you get home.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Patrick_B's Avatar
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    Re: UV blocking cover?

    I'm sorry, I made a gross error in skipping right over that information. Tim is right.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

  6. Back To Top    #6

    Join Date
    May 2015
    Location
    Quebec, QC
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    35

    Re: UV blocking cover?

    Just as an aside, blue bubble wrap solar covers all absorb UVa and UVb; I was testing a submersible spectroradiometer and 'discovered' this; none penetrates below the cover. Unfortunately, this property prevents the destruction of CC, and prolonged use also favours algal biofilm development on pool surfaces.

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