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Thread: Borax

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    Borax

    Hey all,

    Pool is looking great. I'm still a little confused about whether I should add borax. Can you explain why I would use it and how much to add. I don't think the TF-100 tests for it, does it?

    Thanks
    20K gal. IG. vinyl. 21" Hayward sand. 3/4 hp

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    Mod Squad jblizzle's Avatar
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    Re: Borax

    You would need a separate test. It is completely optional. It is really meant to help slow down the pH rise. But some people like that the water is more sparkly and feels smoother ... others do not notice much difference.
    Jason, TFP Moderator
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    Richard320's Avatar
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    Re: Borax

    You can read up on it here: so-you-want-to-add-borates-to-your-pool-why-and-how-t4921.html

    For what it's worth, I've never added Borax to my pool.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: Borax

    That's worth a lot! Looks like it's the BB method for me as well.

    Thanks to you also Jbizzle.
    20K gal. IG. vinyl. 21" Hayward sand. 3/4 hp

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    Mod Squad jblizzle's Avatar
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    Re: Borax

    It really does make the most sense for people with SWG and/or a lot of water features which aerate the water and drive the pH up.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    Re: Borax

    In case I am confused....isn't "Borax is available as 20 Mule TeamŽ Borax Natural Laundry Booster" used to RAISE the pH ?

    And increasing the "borate" level two different things ?
    14,750 GAL IG Fiberglass (16 x 33) NE Ohio || Jandy 1HP 2 speed Pump || Waterco MultiCyclone 16 Centrifugal pre-filter (removed due to not working with sand filter) || 30" 575 Lb. Sand Filter || AquaCal 140K BTU Heat Pump || Solar Cover || Inter-fab Adrenaline Slide || GLI Monsoon Solar Cover Reel || K-2006C Test Kit || BBB with Liquid Chlorine Stenner Injection || Rayner Mighty Mesh Winter Cover

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    Re: Borax

    Borax is used for 2 things. In small quantities, borax is used to raise pH. In large quantities, and in combination with muriatic acid, it is used to increase borates.
    John
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
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    Mod Squad jblizzle's Avatar
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    Re: Borax

    Same product. Yes it raises pH. You counter that with a lot of acid when you are adding borates for the pH buffering.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    Re: Borax

    I used it just to raise pH, it works well for that, you can also use Washing Soda to raise pH and it won't add borates to the water. I'm not too worried about adding borates to the water, you need 40-50 ppm to be beneficial, but that requires a lot of borax and acid over time to balance. Small amounts of Borax won't help or hinder maintenance of youf pool.
    8638 gallon 20'x52" Intex ultra frame round AG. 2650 gph Intex Sand Filter. Intex krystal Klear SWG. (newer model that includes copper ion generation) Hayward 1091LX skimmer, Kreepy Krauly lil shark. Taylor K-2006 w/speed stir and sample sizer. New this year, Intex PureSpa - dichlor-> bleach method for sanitizing.
    New pool, 16'x36' (approx 18000 gal) in ground pool, Haywood DE filter

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