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Thread: Switching to Bleach

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    Join Date
    Jun 2012
    Location
    Howard City, MI
    Posts
    54

    Switching to Bleach

    After the wonderful advice I have received on this site from many members, I am switching to bleach to chlorinate my pool.

    Few questions before I begin:

    1) I know we are suppose to use 6% bleach, but all I currently have on hand is 3%. Will this be sufficient for now until I get to the store? If so, do I add the same amount of the 3% that I would use of the 6%?

    2) Do I add the bleach directly to the pool water? I am concerned about ruining my liner.


    Pool Info:Pro Series Metal Frame 18' x 48"
    SFS1000 Filter System w/ F1500C Pump (skimmer filter system)


    Again, thanks for everyone's help.
    Above-Ground Pro Series 18'x48" Metal Frame - Approx 6,450 gallons
    Skimmer Filter System (cartridge): SFS1000 w/ F1500C Pump: 120watts/2.0amps/1500g.p.h
    Purchased & Installed: 6/7/12 (week of)

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    Join Date
    Jun 2011
    Location
    Ridgefield, CT
    Posts
    73

    Re: Switching to Bleach

    Quote Originally Posted by Terrjam
    After the wonderful advice I have received on this site from many members, I am switching to bleach to chlorinate my pool.

    Few questions before I begin:

    1) I know we are suppose to use 6% bleach, but all I currently have on hand is 3%. Will this be sufficient for now until I get to the store? If so, do I add the same amount of the 3% that I would use of the 6%?

    2) Do I add the bleach directly to the pool water? I am concerned about ruining my liner.


    Pool Info:Pro Series Metal Frame 18' x 48"
    SFS1000 Filter System w/ F1500C Pump (skimmer filter system)


    Again, thanks for everyone's help.
    If the bleach is 3%, you would double it. The Pool Calculator http://www.poolcalculator.com/ does not have the ability to calculate for 3% in the Effects of Adding Chemicals part, but you can plug in current and target values using 3% bleach at the top of the page. I am not familiar with 3% bleach. You might want to make sure that is just sodium hypochlorite and the inert ingredients and no other ingredients like whatever they use to make "Fresh Scent" or "Lavender" or something like that.

    I don't think bleach would do anything to your liner if you add it slowly in front of a return jet. It will dissipate reasonably quickly. Maybe one of the experts has a different point of view on that?
    33,000 gallon plaster pool
    Jandy L-Series -CL580 Cartridge Filter

  3. Back To Top    #3
    Smykowski's Avatar
    Join Date
    Sep 2011
    Location
    Gurnee, IL (North Suburban Chi-town)
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    3,065

    Re: Switching to Bleach

    Quote Originally Posted by Terrjam
    1) I know we are suppose to use 6% bleach, but all I currently have on hand is 3%. Will this be sufficient for now until I get to the store? If so, do I add the same amount of the 3% that I would use of the 6%?

    2) Do I add the bleach directly to the pool water? I am concerned about ruining my liner.
    Use the pool calculator to determine how much to put in. Just change the percentage to 3%.

    As for adding bleach, pour it slowly in front of the return jet with the pump running. It will mix just fine.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

  4. Back To Top    #4

    Re: Switching to Bleach

    Not an expert, but that's where you put the bleach. Just pour it slowly in front of the pool return jet, and that'll mix it into the water really quick!

    If you pour it somewhere else, it'll just sink to the bottom and sit on your liner until it gets mixed up. That's what you want to avoid.
    Rob B
    My $100 pool finally died after 6 years.
    Totally got our monies worth!
    Butterfly made me do it...

  5. Back To Top    #5

    Join Date
    Mar 2007
    Location
    San Rafael, CA USA
    Posts
    12,082

    Re: Switching to Bleach

    The 3% bleach is OK as a temporary solution, but it usually has much more excess lye in it per FC so could make the pH in the pool rise than it would with either 6% Clorox Regular or some off-brand Ultra bleaches. This isn't a problem, of course, and you can easily compensate with Muriatic Acid, but you should be aware of it.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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