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Thread: BBB Method for Spa After Pool Closing

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    wjr75's Avatar
    Join Date
    Jun 2013

    BBB Method for Spa After Pool Closing

    Hello All,
    I live in the Midwest and we close our pool at the end of September and keep the attached hot tub open until December. I started using the BBB method this July after my CYA hit 90 ..did a partial drain to get it down to 70 and hold my target FC at 8ppm (Have the TF-100). The pool looks great since doing this. In the past two years having this pool spa when closing the pool I would put a chlorinator float in the hot tub with a tri-chlor puck in it. Before I use the tub I usually throw in a 1/4 cup of dichloro shock from Leslie's. Anyone have any sugesstions as to the approach I should use with the BBB method?

    Thanks In Advance!
    Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
    Filter dual cartridge Sta-rite 450sq/ft, TF-100 Test Kit
    Heater Raypak 2100 400k btu cupro-nickel exchanger
    Auto pool cover, Polaris 280 auto pool cleaner, Jandy AqualinkRS8 Remote Control System

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: BBB Method for Spa After Pool Closing

    Since you already have CYA in the pool and spa I would just use bleach to maintain sanitation.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  3. Back To Top    #3

    Join Date
    May 2013
    Bay City, Michigan

    Re: BBB Method for Spa After Pool Closing

    Step 1. Maintain chlorine in between uses.

    Step 2. Add enough chlorine after use to oxide all bathing waste.

    5 fluid ounces of 6% bleach (or 3-1/2 fluid ounces of 8.25% bleach per person hour is a good starting point. If by the next day you have zero or extremely low FC you may want to use a little more from then on. If your FC is still very high the next day you can use less.

    You want to use the spa with low amount of chlorine for your bathing enjoyment. Then you want to add your chlorine after usage to oxidize all the sweat/bather waste. You want to use enough to have a good FC reading by your next test/dosing/use.
    12500 gallons, 24 foot round above ground
    Hayward Sand filter, Pentair OptiFlo 1HP 2-Speed pump

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