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Thread: Dual or Singl Skimmer with Solar or Single Pump - Efficiency

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    Dual or Singl Skimmer with Solar or Single Pump - Efficiency

    I read a thread on this, but can't find it now.

    I have been running 2 pumps on my system so far, a starite 1.5hp pump for the sand filter side, and an intex 2500gph for the solar (2 skimmers, opposite sides and 2 returns). The flow on the solar side is a little bit weak, which results in WARM water on the return, and if memory serves, this means that I'm actually being LESS efficient with my solar system.

    I will be pluming everything with pvc and remotely locating the panels and pumps/filters, probably 40' run from the skimmer to the pumps (below water level still), and then another 50' to the panels (slightly above the pumps (3') and water level).

    Since I have to redo my liner (see pics in this thread), I am considering patching the 2nd skimmer hole and return and just running a single skimmer instead.

    Any advice? I'm concerned about both extra electricity to run 2 pumps during the day, AND also just loss of efficiency from the panels.

    There are 10 panels, so the flow rate need is pretty high.

    Thanks!
    Richard
    Temecula, CA
    28,000 Gal. In-Ground plaster and tile, Total Control AutoPilot with SC-60 SWG and PH control, Pentair EasyTouch 8, EasyTouch Wireless Remote, Intelliflo VS+SVRS pump, Intellibrite lighting, Pentair Quad 100, Solar heating, Pentair Mastertemp 400 Gas Heater, The Pool Cleaner 4x, Aquabot Turbo T2 Robotic Cleaner, Water feature spillover from SPA.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Dual or Singl Skimmer with Solar or Single Pump - Efficiency

    Indeed, you might as well run the water going to the panels through a filter and use that as your main pool circulation. The pump to run 10 panels will be a bit larger than what you would need on the pool anyway.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Dual or Singl Skimmer with Solar or Single Pump - Efficiency

    Thanks Jason!

    Would it be smart to keep the 2nd return (it's 1' lower and on the opposite side of the pool) and plumb in both for better circulation? At this point, I could easily even add a 3rd return, or just move the 2nd one. It would be nice to have more circulation to distribute the heat.

    You can see the return locations here:

    Richard
    Temecula, CA
    28,000 Gal. In-Ground plaster and tile, Total Control AutoPilot with SC-60 SWG and PH control, Pentair EasyTouch 8, EasyTouch Wireless Remote, Intelliflo VS+SVRS pump, Intellibrite lighting, Pentair Quad 100, Solar heating, Pentair Mastertemp 400 Gas Heater, The Pool Cleaner 4x, Aquabot Turbo T2 Robotic Cleaner, Water feature spillover from SPA.

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Dual or Singl Skimmer with Solar or Single Pump - Efficiency

    Having extra returns is a trade-off. More returns means better circulation, but a just slightly higher chance of leaks. One return is enough, especially if you get a return fitting that can be aimed. But two is still better.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Dual or Singl Skimmer with Solar or Single Pump - Efficiency

    Quote Originally Posted by JasonLion
    Having extra returns is a trade-off. More returns means better circulation, but a just slightly higher chance of leaks. One return is enough, especially if you get a return fitting that can be aimed. But two is still better.
    Great, thank you!
    Richard
    Temecula, CA
    28,000 Gal. In-Ground plaster and tile, Total Control AutoPilot with SC-60 SWG and PH control, Pentair EasyTouch 8, EasyTouch Wireless Remote, Intelliflo VS+SVRS pump, Intellibrite lighting, Pentair Quad 100, Solar heating, Pentair Mastertemp 400 Gas Heater, The Pool Cleaner 4x, Aquabot Turbo T2 Robotic Cleaner, Water feature spillover from SPA.

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