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Thread: How much bleach to buy?

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    How much bleach to buy?

    Hi everyone,
    I would like to start using the BBB method. Just ordered the TF 100 test kit yesterday. I have a question on the amount of bleach, baking soda, and borax to buy before starting BBB. On a weekly average, how much bleach do you guys use in your pools if there are no major problems such as algae? How much bleach do you keep around for the pool? Thanks.
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Mod Squad Bama Rambler's Avatar
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    Re: How much bleach to buy?

    When asking a quantity question please include you location and the relevant sizes (i.e. the pool).

    I use about 2.4 liters of 6% per day. I keep about 3 jugs on hand even though I have a Liquidator.
    I keep a gallon of MA on hand though I rarely need any. I don't keep any Borax or Baking Soda or anything else except what's left over from the last time I used it. I think I have a little cyanuric acid on hand but that's just because it didn't take a whole container last time I needed some.
    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

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    Melt In The Sun's Avatar
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    Re: How much bleach to buy?

    How does your water look? You posted about algae recently, is that problem gone? If not, you'll need a bunch of bleach. As for borax, muriatic acid, and baking soda, you may not need any depending on your test results (TF-100 on the way I see ).

    It would be a help for everyone if you could put some details about your pool in your signature (user control panel -> profile -> edit signature).
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
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    Re: How much bleach to buy?

    I use 2 182oz jugs of 6% a week. (16K gal, hot and sunny)

    My Ph tends to rise slightly and I keep a gallon of acid on hand.

    All the other stuff is pretty well set it and forget it. You're not going to have an immediate crisis with your TA or CH that needs large amounts of chemicals on hand.

    In terms of Maintenance -

    Chlorine - I test and adjust every other day
    PH - Weekly
    All the rest - Monthly

    This is after testing often enough when I first started BBB to really get to know my pool and how it changes over time. Now after 6 months I can pretty well guess where all my numbers will be before I test.

    As to the original question - a perfectly clean 12K pool can start with simple maintenance doses - a 30k pool with CYA of 200 and algae will require precisely one truckload of bleach
    16K Gal Plaster | Compupool SWG | Intelliflow VF | TF-100

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    Re: How much bleach to buy?

    I edited my signature with this: IG pebbletec pool, 35,000 gals, cartridge filter. I had the water tested at a pool store when I had algae. They sold me PhosFree and 5 bags of shock powder. I used them as instructed and ran the filter for 48 hours. The algae is gone and the water now looks sparkling clear. I had the water tested last weekend again. They told me that TA is low and I needed to add 10 lbs of something to increase it so I added 10 lbs of baking soda.
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Re: How much bleach to buy?

    35K gallons is a huge pool! As an estimate, if your pool used 2.5 ppm FC daily, it would need appx. 6 quarts (two 96oz jugs) of 6% bleach daily.

    Are you considering a SWG or liquidator?

    My pool likes to have one 96oz jug each evening. Generally, we buy about two cases (8 jugs) of 6% Tundra weekly.

    I still have my original box of Borax from June, 2006 :P
    On occassion I will need to add small amount of Baking Soda, so I just buy the 1# boxes from Aldi's (el-cheapo).
    My pool does like some Muriatic Acid, so we buy the 2-gallon pack from Lowes/HD.
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    Mod Squad Bama Rambler's Avatar
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    Re: How much bleach to buy?

    What you really need to buy besides bleach is a good test kit. Just click the link in my sig and you won't be sorry.
    How do you normally chlorinate your monster?
    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

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    Re: How much bleach to buy?

    Maybe I should double check to make sure it is that big. We did not have it built. It came with the house. The pool service was using chlorine tablets so we just continued doing the same. Now I want to try BBB and the TF-100 is on its way. But if it requires that much bleach every day, I just might stick with the tablets and supplement it with bleach when necessary. Will that work?
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Butterfly's Avatar
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    Re: How much bleach to buy?

    Quote Originally Posted by kal2002
    Maybe I should double check to make sure it is that big. We did not have it built. It came with the house. The pool service was using chlorine tablets so we just continued doing the same. Now I want to try BBB and the TF-100 is on its way. But if it requires that much bleach every day, I just might stick with the tablets and supplement it with bleach when necessary. Will that work?
    um, sorta....no....

    The tabs will continue to add CYA which will eventually cause problems.

    First let's verify the size of your pool and get a handle on the test results with your TF100 test kit (congrats to you for that )

    I could be wrong on my estimate for daily FC use/dose....someone else will verify.

    Once we get all the facts, we'll help you take full control of your pool

    Welcome to the forum
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    Re: How much bleach to buy?

    I don't consider 35,000 gallons to be a huge residential pool, but certainly on the large end, there are several active memebers on this board with pools in the 33,000-40,000 size range anything over 50,000 gal I would consider huge.

    Ike

    p.s. most pool chemical bottle show suggested dosage charts up to 36,000 gallons or so
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
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    Re: How much bleach to buy?

    I have been keeping a log of supplies I've bought since the pool was installed this past May. I've used 12, 182 oz, 6% jugs of bleach in 12 weeks. Not bad, $2.54 a week to keep a sparkly clean pool!
    30 ft. round Conquest agp, 19,800 gal; Pentair Easy Clean 1 hp DE EC60 filter system
    Hayward H250N gas heater; TF100 Test Kit
    2 Fafco 4x20 sunsaver solar bear solar panels
    Dolphin E 10 ~ Zoomerang slide
    Majestic 8000 Above-Ground Pool Step

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    Re: How much bleach to buy?

    i cannot imagine how you get by on one jug of chlorine a week. according to the pool calculator, that
    would be 4.4 ppm of chlorine usage a week. most pool lose 2-3 ppm per day. that kind of usage is
    amazing.
    24,000 gallon ig fiberglass pool
    1 hp hayward pump
    hayward sand filter (250 lb)
    madisonville, ky

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    Re: How much bleach to buy?

    Quote Originally Posted by kal2002
    Now I want to try BBB and the TF-100 is on its way. But if it requires that much bleach every day, I just might stick with the tablets and supplement it with bleach when necessary. Will that work?
    It all depend on where your CYA is, and also how expensive it will be for you to dump water and rebalance. If you have water restrictions, I noticed California location, it may not be possible for you to dump half your pool and add water when you'd need to if you did primarily tablets and CYA got too high.

    Before you go that route, you might try to locate an RO service and get that price on the table to figure it in your analysis. they can filter the water so that you avoid replacement, though you may still have to add a lot of chemicals to get it rebalanced.

    You might need to get a good test of your tap water and determine how much it would cost to get it from tap water levels to recommended levels on a refill. I just put $28 worth of calcium increaser in my pool to get CH up about 75 ppm due to rain. If you had to lower TA a lot or raise CH a lot that could be expensive.

    I suspect you might get a lot of rain in the winter, so that could help dilute the CYA that builds up. We do here and so this year I started with low CYA and low CH. For now I am using tablets and bleach, but pretty soon I will go to bleach alone, when CYA gets to the top of the allowable range.

    The first order of business is to determine what the levels in the pool are right now. Then you can look at your options. There are also things that can slow the loss of chlorine, like a pool cover or shade cover. You may add SWG for automatic chlorination. There are options.
    23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.

    Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.

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    Re: How much bleach to buy?

    Found papework that says pool capacity is 27,000 gals. That's good. The results from last weekend's water test from pool supplies store: FC - 4, PH - 7.6, TA - 6 (added 10 lbs of baking soda), TDS - 560. They did not test for other things.
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Re: How much bleach to buy?

    TA - 6 ---- I actually meant 60.
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Mod Squad Bama Rambler's Avatar
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    Re: How much bleach to buy?

    With a pebbletec pool you need to know the CH (calcium hardness) number.
    Here's the list of test results you need.
    pH
    FC
    CC
    TA
    CH
    CYA
    & if you have a SWCG
    Salt

    All those ancilliary tests the PS performs are just to make you believe you have a problem so they can sell you expensive "fixes".
    Dave J. TFP Moderator
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    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: How much bleach to buy?

    Quote Originally Posted by linda1
    I have been keeping a log of supplies I've bought since the pool was installed this past May. I've used 12, 182 oz, 6% jugs of bleach in 12 weeks. Not bad, $2.54 a week to keep a sparkly clean pool!

    Where do you buy your bleach?
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Re: How much bleach to buy?

    Two weeks ago, these are the numbers:
    pH - 7.6
    FC - 2
    CC - they don't test for this
    TA - 100
    CH - 190
    CYA - 30-50 (3 weeks ago)
    I do not have a SWCG.

    Do these numbers look bad?
    IG pebbletec pool: size of pool: 27,000 gal; filter: cartridge - Hayward Superstar Clear; pump size: 1.5 HP; TF 100 Test kit - got it on 7-29-10; The Pool Cleaner-4-wheel suction model; Pool calculator: http://www.poolcalculator.com/; bleach calc: http://troublefreepool.com/files/BleachCalc262.exe

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    Mod Squad Bama Rambler's Avatar
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    Re: How much bleach to buy?

    The biggest issue I see with those numbers is that they're from the pool store! You should really get yourself a good test kit.

    Your FC is a little low I'd try keeping that above the minimum recommended on the chlorine/CYA chart for a CYA of 45 since we don't really know what it really is.
    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
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    frustratedpoolmom's Avatar
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    Re: How much bleach to buy?

    Quote Originally Posted by diverman57
    i cannot imagine how you get by on one jug of chlorine a week. according to the pool calculator, that
    would be 4.4 ppm of chlorine usage a week. most pool lose 2-3 ppm per day. that kind of usage is
    amazing.
    When my black/blue solar cover is on, and my pool is not in use, I lose virtually nil. Really, less than 1-undetectable. There can be several days for me before I need to add chlorine. Every pool's circumstances and demand are unique 2-3 is just an avg.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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