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Thread: Mistakenly added stabilizer to pool

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    Mistakenly added stabilizer to pool

    Yes, I am a rookie!

    I have an algae problem (mustard, I believe). After reading through your awesome forum yesterday, I figured out that I need to SLAM my pool.

    Yesterday afternoon I vacuumed the “dust looking” scum off of the bottom of the pool and brushed it thoroughly. I headed out to buy a testing kit and lots of liquid chlorine. I wasn’t able to get the proper testing kit, and will have to try a different store this morning.

    I tested the water last night, just using the test strips that I had. The chlorine was obviously extremely low, the ph was low and the stabilizer was about 30 (close guess, since I was using the strips). I went to adjust the ph up a little, and here’s where I messed up……UUUGH! The “ph up” container/jug looks just like the stabilizer container, and I mistakenly added about a pound of slabilizer directly to the pool water. I didn’t realize it at the time, and later went on to add 4 gallons of 10% liquid chlorine.

    I ran the pump all night. This morning I noticed that I had the stabilizer container out and not the ph container. Since a higher stabilizer level means adding more chlorine to reach the shock level, my question is this:

    If stabilizer takes a long time to dissolve, I’m guessing that it is probably sitting on the bottom of my pool in granular form (I can’t really see the bottom of my pool). Can I manually vacuum it up and wash it out of my filter, or, is it too late for that? Water is scarce in southern California and I really don’t want to replace water in the pool. I would like to avoid having to purchase a lot more chlorine than necessary if I can get some of this stabilizer out. I don’t have the test kit yet (store is not open), so I really can’t test the current CYA.

    Any advice would be greatly appreciated!

    Thank You!

  2. Back To Top    #2
    JasonLion's Avatar
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    Re: Mistakenly added stabilizer to pool

    Yes, vacuum up what you can and then backwash/clean the filter.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    duraleigh's Avatar
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    Re: Mistakenly added stabilizer to pool

    Welcome to the forum.

    Tell us the size of your pool? Vinyl or Plaster?

    You will not get the correct test kit at a pool store. Has to be ordered online almost always.

    Adding things to your pool before you post a good set of test results often ends up in having to correct some mistakes. Don't put anyhting else in for now.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    Kiss4aFrog's Avatar
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    Re: Mistakenly added stabilizer to pool

    How big is the pool ??

    If you vac and then backflush you should be able to get rid of whatever you can. The bigger the pool the less 1 lb is going to make on your CYA level.

    Click on test kit link in the signature above.
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    Richard320's Avatar
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    Re: Mistakenly added stabilizer to pool

    Welcome!

    How big is your pool? A pound of stabilizer may have only added 5 to the CYA, which is far from a catastrophe. And you really don't know what your current CYA level is if you tested with strips. Sometimes they're right on, sometimes they're waaaaay off. Who's to know which one you have?
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Mistakenly added stabilizer to pool

    10,000 gallon in ground plaster pool with cartridge filtration system. The test strips did show that CYA had gone up to about 90. Who knows, however, if that's accurate.

    I vacuumed it up and cleaned the filter. Easier to do than to take the chance of having to replace pool water. Water is VERY expensive here!

    Got lucky, called around and was able to find a Taylor K-2006 FAS-DPD test kit in stock at one of the pool stores. If this kit is not sufficient, please let me know.

    Thank all of you so much for your help! Much appreciated!

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    Smykowski's Avatar
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    Re: Mistakenly added stabilizer to pool

    Check the kit before you buy it. Most pool stores will tell you it's an FAS-DPD kit when it's actually just a DPD kit. Big difference.
    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

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    Re: Mistakenly added stabilizer to pool

    I just called them back to get the exact details, and edited my post. Taylor K-2006 FAS-DPD Kit. Will that work?

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    Richard320's Avatar
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    Re: Mistakenly added stabilizer to pool

    Quote Originally Posted by mrs milty View Post
    I just called them back to get the exact details, and edited my post. Taylor K-2006 FAS-DPD Kit. Will that work?
    Eureka!
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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