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Thread: Boric Acid - The one they sell for pest control.

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    Join Date
    Jun 2009
    Middle Tennessee

    Boric Acid - The one they sell for pest control.

    I have been reading through the posts and and I am thinking that you can use regular boric acid in the place of Borax/MA. My question is this.... They have the bottles of Boric Acid powder used to kill bugs at my local Dollar Store. They have the pointy top on them for application that resemble ketchup and mustard bottles. It says it is 100% Boric Acid on the contents part of the label. They don't carry Borax. Is this a reasonable substitute and if so, how exactly should I use it? Also, would the amounts needed correspond with the amounts recommended by the pool calculator of Borax? Thanks for any help
    27' x 54" AG with approx. 17,100 gallons and vinyl liner
    Located in middle Tennessee
    2 hp sand filter

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Boric Acid - The one they sell for pest control.

    Yes, 100% boric acid is what you want. You can just spread it across the surface of the pool. It will lower the PH just a little, and is otherwise very easy to use.

    The Pool Calculator has a setting for boric acid. The quantities will be different then they are for borax, though not way different.

    You can also buy it on the Internet. In large quantities, mail order is probably a better deal, around $2/lb.
    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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    Prav's Avatar
    Join Date
    Nov 2010
    Miami, FL

    Re: Boric Acid - The one they sell for pest control.

    look up user DUDADIESEL in ebay.
    14'x30' (est. 14K gal) w/spillover spa (est. 500 gal) - 1995 // Diamond Brite Blue Quartz - 2006
    Hayward SwimPure Plus T-15 - 2013 // Zodiac MX-8 - 2013
    Plain ol' Intermatic mechanical timer // Pump: 1 HP Pentair SuperFlo - 2012
    Filter: Hayward C17502(S) Cartridge Filter - 2011 // Heat Pump: Sunrunner/Aquapro 1300 (127K BTU) - 2011

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