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Thread: Bromine Question/Clarification

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    Bromine Question/Clarification

    Looking for some clarification concerning bromine 3 step system.
    I have a 400 gal. (1515 litre) tub which I was using a 2 step bromine system. I was using SpaGaurd Bromonating Concentrate after each use as per dealers advice and shocking weekly and after heavy use with SpaGaurd Spa Lite oxidizer.

    I have just flushed and decontaminated (as per Nitro's procedure), balanced chems. ph 7.6, Ta 50 (started at 290), Ch was 60 now estimate 140ish and established a bromine reserve with 2ozs sodium bromide (HTH packet) and shocked with 6% ultra Clorox (aprox. 1 1/4 cups). I have put 4 bromine tabs in a feeder and am trying to establish the proper feed rate.

    My question concerns what is to be done after the tub is used? With a 2 step system I would add an amount of brominating concentrate per bather load/soaking time after use. With a 3 part system I am a little fuzzy on what is done after we use the tub. Would I add an amount of clorox to re-establish the reserve? If so how much?

    I know the answer is probably right in front of me but for some reason I can't see it!

    also is a Ta of 50 to low?

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    Join Date
    Feb 2010
    Location
    Houston, TX
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    271

    Re: Bromine Question/Clarification

    I won't comment on the bromine question, as I use chlorine and don't wanna give bad advice. However, the alkalinity should be fine at 50. It will help keep the pH stable with all the aeration from the jets.

    It's still a little slow around here, so hopefully someone who can give an answer regarding the bromine will be around soon. Good luck, just keep on browsing here, lots of good info around here to soak up!
    John

    24' round Vogue AGP 12,000 gal. Flotec AT251001-01 1HP pump, Hayward S310T2 sand filter, Aquarite SWG T-15
    TF-100 (found at TF Test Kits) with Speedstir and Samplesizer

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    Re: Bromine Question/Clarification

    Thanks for replying, I was thinking the same about the Ta but just wanted to see what others thought.

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    JasonLion's Avatar
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    May 2007
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    37,887

    Re: Bromine Question/Clarification

    Once you have established the bromine reserve you can reactivate the bromine with chlorine (or ozone, or MPS, or any of several other things, but chlorine is usually the least expensive). After using the tub you would normally measure the active bromine level and add enough chlorine to raise it back up to between 4 and 6.
    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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    Join Date
    Feb 2010
    Location
    Houston, TX
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    Re: Bromine Question/Clarification

    Thanks for chiming in Jason. I only use chlorine in my tub, so I don't want to give out bad advice.
    John

    24' round Vogue AGP 12,000 gal. Flotec AT251001-01 1HP pump, Hayward S310T2 sand filter, Aquarite SWG T-15
    TF-100 (found at TF Test Kits) with Speedstir and Samplesizer

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    Re: Bromine Question/Clarification

    Hi thanks for the reply that makes it a bit clearer

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