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Thread: converting baquacil to chlorine

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    converting baquacil to chlorine

    hi all,

    i just recently opened my pool so i can get a jump start on having a clear pool this summer. baquacil was was giving me sucha a hard time last year so when i closed it, i figured when the spring time comes i'll open it up and start using chlorine. but to my suprise when reading and following the steps from here, i just want to make sure i'm doing this right. i went to the pool store and bought shock. i tried it a couple of days ago and went back and they sold me more telling me that i would need to double the dose since there was still baquacil left over. since the cost was over $30 i went to kmart and bought (2) 182 oz of regular clorox bleach. (also my dad recommended that i put bleach since he did it for many years. too bad i never listened to him in the first place.) so as of today 4:00 pm i put 32 oz of bleach and have the filter running all day and night since tuesday. i backwashed and the water was white murky mush. my water balance is fine and it's kind of greenish trying to upload a picture but the fil is to big.

    thanks
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    here is picture
    Attached Images Attached Images
    Last edited by 34zoned; 11-02-2014 at 01:13 PM. Reason: need to upload more pics
    5000 gallons above ground pool with 1/2 hp sand filter

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    dmanb2b's Avatar
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    Re: converting baquacil to chlorine

    Quote Originally Posted by 34zoned
    hi all,

    i just recently opened my pool so i can get a jump start on having a clear pool this summer. baquacil was was giving me sucha a hard time last year so when i closed it, i figured when the spring time comes i'll open it up and start using chlorine. but to my suprise when reading and following the steps from here, i just want to make sure i'm doing this right. i went to the pool store and bought shock. i tried it a couple of days ago and went back and they sold me more telling me that i would need to double the dose since there was still baquacil left over. since the cost was over $30 i went to kmart and bought (2) 182 oz of regular clorox bleach. (also my dad recommended that i put bleach since he did it for many years. too bad i never listened to him in the first place.) so as of today 4:00 pm i put 32 oz of bleach and have the filter running all day and night since tuesday. i backwashed and the water was white murky mush. my water balance is fine and it's kind of greenish trying to upload a picture but the fil is to big.

    thanks

    Welcome to TFP

    When you say your water balance is fine, can you please post the test results?

    FC
    CC
    PH
    TA
    CH
    CYA (this may oe may not be zero, since you have used powdered shock)
    24'x52" AGP (13,500 Gallons), Intex SWG, (2)Solar Bear 4x20 panels, Hayward S220T Filter, 1/2hp Pentair Superflo

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    Re: converting baquacil to chlorine

    thanks for the reply, but the pool store didn't give me any numbers all they told me was my FC was zero and my chlorine was 1ppm. they gave me test strips to test every 4 to 6 hours.
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    i went back to the store and got my water tested:
    ph is 7.4
    ta is 80
    calcium hardness is 200
    cya is 30

    guy told me that the chlorine will not give him a reliable result because of the baquacil. hope that helps
    5000 gallons above ground pool with 1/2 hp sand filter

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    Mod Squad zea3's Avatar
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    Re: converting baquacil to chlorine

    If you read through some of the baquacil conversion threads, you will see that most pools go through a lot of bleach to complete the conversion! You will need to add enough bleach to reach shock level according to The Pool Calculator and continue adding bleach to maintain shock level throughout the day. The more often you can test and add bleach the quicker the conversion process will go.

    The best way to know if you are at shock level is to perform your own tests on the water. You need a quality test kit such as a TF 100 or a Taylor K2006. These kits contain the FAS-DPD chlorine test that will allow you to test chlorine levels greater than 10 ppm, which you need when you are in the conversion process. The pool store guy is wrong. You need the chlorine result so you will know how much more to add. Not having a quality test kit puts you at the mercy of the pool store guy who may or may not know how to help you.

    Keep the pump running 24/7 during the conversion and backwash the filter when you have a 10 pt rise in pressure. Please post more conversion pictures. We like to see the interesting colors! (We're kind of strange that way!)
    TFP Moderator
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    JasonLion's Avatar
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    Re: converting baquacil to chlorine

    You should read the baquacil conversion instructions in Pool School. A full conversion takes some time and you are at best about half way through.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: converting baquacil to chlorine

    i got a test kit and tested as follows:

    FC- 3
    TC- 15 (was more red when i add drop #3, i guessed it to be 15 no number to look off of)
    CC- 12
    ph- 7.5
    cya- 20
    ta- 90
    baqucil- less than 15 (using the baqucil test strips. when i checked yesterday it was higher it seems to be going down.

    backwashed last night before i went to sleep, added 64 oz. woke up this morning backwashed and it was a milky color. did a rinse and set to filter. i also started to see some baquacil goo on the skimmer but not as much as some other people. here is what it looks like today at 9:00 am[attachment=0:yw0ssr36]923 am.jpg[/attachment:yw0ssr36]
    Attached Images Attached Images
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    around 11:30[attachment=0:2mcyyoaw]1140 am.jpg[/attachment:2mcyyoaw]
    Attached Images Attached Images
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    nothing changed since my last post until today. 7 am this morning i dumped 1jug (182oz) of bleach before i went to work and came home and here is a pic. not a good picture since it was taken from my phone but i can see the bottom of the pool, so that's a plus. only problem is i ran out of the powder, i did order more so i'm just measuring it by eye[attachment=0:1877zjak]4-26.jpg[/attachment:1877zjak]
    Attached Images Attached Images
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    Keep at it. Since your CYA level isn't zero, your conversion is going to take a little longer than average. You can partially compensate for that by aiming for a FC target level of 20 instead of 15.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: converting baquacil to chlorine

    so far so good i got my dpd powder and tested
    FC-14.4
    CC-2.2
    TC-16.6

    here is the latest pic
    [attachment=0ufbj6hj]4-27.jpg[/attachmentufbj6hj]
    Attached Images Attached Images
    5000 gallons above ground pool with 1/2 hp sand filter

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    JasonLion's Avatar
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    Re: converting baquacil to chlorine

    That is great, your CC level is way down. You will probably pass the overnight FC loss test very soon.
    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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    Re: converting baquacil to chlorine

    i also forgot to post that my ph is 7.2 & ta is 160. one other question, when you say "pass the overnight FC loss" should the FC be at 5 and for how long should it stay that until i change the sand? thanks
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    You want to raise the FC level to about 15 in the evening, test it to find out exactly what it ended up at after it mixes in, then test again first thing the next morning. If you lose 1 ppm or less of FC then you are almost done with the conversion (just adding CYA and getting rid of CC left).

    Have you read the article on doing baqua conversions in Pool School?
    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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    Re: converting baquacil to chlorine

    checked this morning at 7 am, FC dropped to 12 and CC is .5, getting hit with lots of rain today.
    5000 gallons above ground pool with 1/2 hp sand filter

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    Re: converting baquacil to chlorine

    last night around 10 pm 4/29
    FC 6 added some more bleach to bring it up to 15, and also added cya to bring it up to 30.
    CC 2.5
    ph 7.5

    today at 9am
    FC 22.5
    CC 1.5
    ph 7.8

    today at 2pm
    FC 16
    CC 1.5
    ph 7.8
    TA 160

    is there anything else i'm missing? i changed the sand, added some stabilizer for the cya and trying to keep the FC at 15. when can i check the cya level it all disolved in my sock when i checked it this morning.
    5000 gallons above ground pool with 1/2 hp sand filter

  18. Back To Top    #18
    JasonLion's Avatar
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    Re: converting baquacil to chlorine

    Give the CYA a full week to dissolve before testing again. Sometimes it takes a while to show up on the test and there is no point in wasting a CYA test by measuring it too soon.
    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

  19. Back To Top    #19
    Ohm_Boy's Avatar
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    Re: converting baquacil to chlorine

    last night around 10 pm 4/29
    FC 6 added some more bleach to bring it up to 15, and also added cya to bring it up to 30.
    CC 2.5
    ph 7.5
    today at 9am
    FC 22.5
    CC 1.5
    ph 7.8
    Don't take this the wrong way, but this isn't really useful as it stands. There is too much that is unknown.
    We, and you, really NEED to know the final PM FC level, and then the resulting AM level. In this case, all we know is that:
    1) you had a measured PM FC of 6 and you added 'some' chlorine.
    2) You had an AM FC of 22.5

    You have said that you added enough to reach 15, but this is bound to be somewhat inaccurate since there are always measurement, pool volume, and strength inaccuracies. So in reality, you added enough chlorine to reach at least 22.5, and likely even higher. This is why Jason said to test it to see where it ends up after it mixes in. You cannot know the overnight loss unless you know for certain the last PM FC level and the first AM FC level while the sun is not shining on your pool.

    In this stage, if you add chemicals after you take a measurement, you need to take another measurement in order to know for certain how the levels have been affected by the addition.

    See if you can get a new overnight loss test result for us.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    Re: converting baquacil to chlorine

    ohm_boy,
    not taking it the wrong the wrong way, i understand what you meant. this site is very helpful. i grew up with a pool since i was a kid, but i never did anything but swim. my dad did all the work. now that i have a pool, i know i realize the all the maintenance that goes into keeping a tfp.

    results for 4/30 at 10:30 pm
    FC 13.5
    CC 2.0
    PH 7.5
    TA 150
    CH 150

    will post in the morning without adding anything, thanks.
    5000 gallons above ground pool with 1/2 hp sand filter

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