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Thread: Does an SWG produce air?

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    Does an SWG produce air?

    I have another thread going discussing air in my pool ever since the SWG got started up last week. There is significant air coming out of my returns when the SWG is active, but not when it's off. Is this normal?

    8,000 gallon in-ground gunnite geometric. Wet Edge Satin Matrix. Triple overflow water feature.
    Hayward - TCell 15 SWG; TriStar VS Main Pump; SwimClear 425 Cartridge Filter; ProLogic 4 Automation, SuperII Water Feature Pump; Polaris 280 w/ Booster
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    svenpup's Avatar
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    Re: Does an SWG produce air?

    Bubbles in the returns when the SWG is producing is normal. It is a byproduct of chlorine production. Hydrogen gas if I am not mistaken.
    TFP Method Advanced Intermediate
    • 17,500 gallons - In Ground - Plaster - Hayward Swimclear 3020 Cartridge Filter - Sta-Rite Max-E-Glas Main Pump upgraded with A.O. Smith B2980 E-Plus New Centurion Two-Speed Motor - Polaris 280 Cleaner with Polaris PB4-60 Booster Pump - TightWatt2 Timer - Taylor K-2006 Test Kit - Pool Pilot Digital Nano SWCG

    Helpful Links: Pool School, BBB for Beginners, How to Shock (hint...it's a process not a product), Chlorine/CYA Chart, Jason's Pool Calculator

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    Mod Squad jblizzle's Avatar
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    Re: Does an SWG produce air?

    I have bubbles too. Should be mostly Hydrogen as svenpup states ... could be some chlorine gas as well, but much less likely.
    Jason, TFP Moderator
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    svenpup's Avatar
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    Re: Does an SWG produce air?

    Whenever I am near the pool and I see those bubbles, I shout "BUBBLES! BUBBLES!" ala the Stephen Root character from Finding Nemo.
    TFP Method Advanced Intermediate
    • 17,500 gallons - In Ground - Plaster - Hayward Swimclear 3020 Cartridge Filter - Sta-Rite Max-E-Glas Main Pump upgraded with A.O. Smith B2980 E-Plus New Centurion Two-Speed Motor - Polaris 280 Cleaner with Polaris PB4-60 Booster Pump - TightWatt2 Timer - Taylor K-2006 Test Kit - Pool Pilot Digital Nano SWCG

    Helpful Links: Pool School, BBB for Beginners, How to Shock (hint...it's a process not a product), Chlorine/CYA Chart, Jason's Pool Calculator

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    Re: Does an SWG produce air?

    Does the amount in that video look normal?
    8,000 gallon in-ground gunnite geometric. Wet Edge Satin Matrix. Triple overflow water feature.
    Hayward - TCell 15 SWG; TriStar VS Main Pump; SwimClear 425 Cartridge Filter; ProLogic 4 Automation, SuperII Water Feature Pump; Polaris 280 w/ Booster
    Link to my Build

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    Re: Does an SWG produce air?

    That's quite a bit more than I get. I get a steady microfine stream that you can barely even see. Does it bubble like that for a little while, stop for a little while and then start again? If so, maybe the gas is building up somewhere in the lines, gets pushed out all at once and then the process repeats?
    12x20x52 AG ~6000 gallons (2ft bury), Waterway PH2100-6 1HP 2 spd pump, Hayward Xtreme 100sqft filter,
    Pool Pilot Digital Nano Plus SWG 5/2014, Hayward Heat Pump HP50HA 8/2014, Wanda the Whale cleaner

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    Re: Does an SWG produce air?

    Check your filter. When mine begins to get clocked and pressure builds, flow goes down and my SWG starts to build up gas. I then get lots of bubbles at the discharges. When my filter is clean and flowing strong, no bubbles.
    37,000 gal IG concrete free-form, Hayward TriStar VS pump, Sta-Rite System 3 cartridge filter, Polaris w/ booster pump, CircuPool RJ60g SWG, Hayward OnCommand w/ remote

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    Re: Does an SWG produce air?

    Quote Originally Posted by mattttt25 View Post
    Check your filter. When mine begins to get clocked and pressure builds, flow goes down and my SWG starts to build up gas. I then get lots of bubbles at the discharges. When my filter is clean and flowing strong, no bubbles.
    Filter is clean and has been bled.
    8,000 gallon in-ground gunnite geometric. Wet Edge Satin Matrix. Triple overflow water feature.
    Hayward - TCell 15 SWG; TriStar VS Main Pump; SwimClear 425 Cartridge Filter; ProLogic 4 Automation, SuperII Water Feature Pump; Polaris 280 w/ Booster
    Link to my Build

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    Re: Does an SWG produce air?

    It's hydrogen gas. Hold a lighter down there where they are popping and it sound like Rice Crispies.

    I'm planning to capture some and make some bag balloons just for fun.
    SWG: CircuPool (May 2014) SI30+Plus; 3000ppm seems ideal;
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    14,000 gal, in ground, plaster, Cartridge filter, Borates
    TAYLOR K - 2006

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