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Thread: Spa and Algaecide

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    TripleB4me's Avatar
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    Jun 2007
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    Spa and Algaecide

    I poured what I thought was algaecide 60 into my spa and got a lot of foam. The label said it was non-foaming but it foamed like crazy. All my numbers were good, pH, Cl, TA, etc. so I'm not sure what happened.

    Any ideas? Thanks.
    20x40 IG Vinyl, 1.5 HP Whisperflo, Sta-Rite System 3 (300) Sq. ft Cart
    Intellichlor IC40 SWCG, 125,000 BTU Pentair heatpump, Polaris 280
    7' IG FG Spa, 2 HP Whisperflo, Pentair Dynamic III Cart (100) Sq. ft

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    JasonLion's Avatar
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    The best idea is to simply not use the algaecide.

    The foam will go away in a couple of days.

    Also, if your CH level is below 150, you might try raising CH to 150.
    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

  3. Back To Top    #3
    TripleB4me's Avatar
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    Cheap Algaecide?

    Thanks, JasonLion.

    I think I was fooled into thinking what I bought was polyquat 60 algaecide. I used it from time to time last season in my spa and pool and never had a problem with real polyquat 60.

    Do you know if some of the cheaper algaecides will foam up?

    Always good to see another Marylander here.

    Thanks!
    20x40 IG Vinyl, 1.5 HP Whisperflo, Sta-Rite System 3 (300) Sq. ft Cart
    Intellichlor IC40 SWCG, 125,000 BTU Pentair heatpump, Polaris 280
    7' IG FG Spa, 2 HP Whisperflo, Pentair Dynamic III Cart (100) Sq. ft

  4. Back To Top    #4
    JasonLion's Avatar
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    Some of the cheaper algaecides foam up even without spa jets. Most of them will foam with spa jets.

    Do you really need the algaecide? If you maintain proper chlorine levels algae can't grow even without algaecide.
    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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