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Thread: Converting with Bleach

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    Windsurfer50
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    Converting with Bleach

    I plan to convert soon and have been reading the Pool School and threads and have a TF-100 test kit.
    I have some questions:
    1. I believe I noted the bleach should be poured into the pool at the inlet into the pool. I assume pouring into the skimmer would not be good for equipment.
    2. Can bleach be added with the solar cover on? Just pull back enough to pour?
    3. What is the maintenance level of bleach required? I saw a thread that said 1 gal per two days which is approximately 15 gal per month.
    4. Looks like I need about 20-30 gal to start and plan to buy more in a couple of day, correct?
    5. I also read a thread from 'waterbear' a pool guy that recommends using Sodium Percarbonate that will speed up the process. Why do you not recommend this?

    Thanks for you help and I know it is the busy time of year so I hope I need minimum help.

  2. Back To Top    #2

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    Re: Converting Soon

    Welcome to TFP! Converting from Baquacil takes some work but it is worth the trip, so to speak, according to those who have done it.

    Here's a sticky on the conversion process...

    pool-school/baqua_chlorine_conversion

    In response to your questions...

    1. I believe I noted the bleach should be poured into the pool at the inlet into the pool. I assume pouring into the skimmer would not be good for equipment.
    Yes, you should pour the bleach in front of a return while the pump is running.

    2. Can bleach be added with the solar cover on? Just pull back enough to pour?
    You can do this, yes.

    3. What is the maintenance level of bleach required? I saw a thread that said 1 gal per two days which is approximately 15 gal per month.
    It depends on the size of your pool.

    4. Looks like I need about 20-30 gal to start and plan to buy more in a couple of day, correct?
    You need to get your FC to 15 and keep it there throughout the conversion process. It does take LOTS of bleach, but I don't know if your pool will take the full 30 gallons, more, or less.

    5. I also read a thread from 'waterbear' a pool guy that recommends using Sodium Percarbonate that will speed up the process. Why do you not recommend this?
    I don't believe that this is recommended or needed.
    10K gallon IG gunite with waterfall; Pentair CC320P filter; WhisperFlo 2 HP pump
    TF Test Kits - Pool Math - Pool School
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  3. Back To Top    #3
    JasonLion's Avatar
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    Re: Converting Soon

    Using sodium percarbonate can speed up the conversion, but it is more expensive than bleach/liquid chlorine and we have less experience with it.

    Typical chlorine usage after the conversion is over is around 2 ppm per day, which would be about 1.5 quarts per day for your pool.

    You don't want the solar cover on during the conversion. You can add bleach with the solar cover on during routine use, but not during the conversion and not for a while after the conversion.
    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

  4. Back To Top    #4
    rcar430's Avatar
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    Re: Converting Soon

    I recently converted from Baquacil, my pool is approximately 17,800 gallons, and I used 96 gallons of bleach for the entire process.
    It is totally worth the conversion, but it is a process, not an overnight project.
    Ruth
    18' x 33' above ground vinyl pool, 17,800 gallons
    1.5 HP Hayward pump with sand filter
    Ruth and John in Buda, TX just south of Austin, TX

  5. Back To Top    #5
    frustratedpoolmom's Avatar
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    Re: Converting Soon

    Is this a new solar cover, or was it used during prior baq seasons? It may be contaminated with Baq.
    Jason, would it make sense to put it on during the end stage of the conversion - before changing the sand?
    Or should Windsurfer clean it manually with diluted bleach and water? Or should they consider just replacing it?
    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
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  6. Back To Top    #6
    JasonLion's Avatar
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    Re: Converting Soon

    If the cover has been used with baquacil it should be put on for a couple of hours right near the end of the conversion to get any residual baquacil off. But it shouldn't be left on very long. The high FC levels used during the conversion can damage the cover and the cover can cause the CC level to go up if it is on for very long, which would slow down the conversion.
    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

  7. Back To Top    #7
    Windsurfer50
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    Re: Converting Soon

    I never thought about the solar cover, but I'll work on that as you suggested. What about the winter cover that I'm removing before this conversion? We usually wash it down with a mild soapy water.
    I bought my first batch of bleach from Wal-Mart (12) 182 oz bottles at $2.54 each. They are ordering more. Plan to get started tomorrow afternoon with removing the cover, getting the pump running, and checking the PH and learning the calculator for amount of bleach to start. I will take picture and let you know how it's going.

  8. Back To Top    #8
    TravisD's Avatar
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    Re: Converting Soon

    Can't wait to see the pictures. Great decision on converting to chlorine.
    24' Round AGP | 13,600 Gallons | Waterway Cartridge Filter | Waterway 2 Speed Pump | K-2006 Test Kit
    100% Trouble Free Since The Baqua Conversion

  9. Back To Top    #9
    JasonLion's Avatar
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    Re: Converting Soon

    Washing with soapy water should take care of the winter cover.
    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

  10. Back To Top    #10
    frustratedpoolmom's Avatar
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    Re: Converting Soon

    Do you have a pool store near you? You might be able to find liquid chlorine 10-12.5% for a good price, which would mean less jugs to haul around. Just a thought. My local store sells it for $2.99 a gallon.
    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

  11. Back To Top    #11
    Windsurfer50
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    Re: Converting Soon

    I have the pump running, water temp is 55 degrees, checked Baq test strip = 0 Oxidizer, lt green Sanitizer, Ph test from K-1000 is 7.8, FC must be 0 as water stayed clear, no pink.
    I plan to add bleach in the morning, calculator says to add (2) 182 oz jugs to get from 0 to 15 ppm.
    Do I need to do anything with the ph? Do I need to test for anything else?
    It's dark now so I'll get pics in the morning with the first bleach add.

  12. Back To Top    #12
    JasonLion's Avatar
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    Re: Converting Soon

    You should lower the PH to between 7.2 and 7.4 before adding chlorine.

    There are fairly complete directions for the entire process in Pool School, here.
    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

  13. Back To Top    #13
    Windsurfer50
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    Re: Converting Soon

    Finally got the PH to 9.2 and added bleach at 6 pm. We have the colors with pics attached, one before bleach and one after.
    I have one question on the FC test. When I add the drops and the water clears immediately, but if you wait 15, 30 or 60 seconds, it turns pink again. Do you keep droping until it never turns pink? what is the most accruate?
    Attached Images Attached Images

  14. Back To Top    #14
    JasonLion's Avatar
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    Re: Converting Soon

    On the FC test, you want the sample to turn completely clear for at least 5 seconds, preferably 15 seconds, of swirling. Ideally it should stay clear for about a minute, but the higher the CC level the more quickly it will turn pink again after going clear. Once it has been actually clear for several seconds you move on to the CC phase of the test.

    Of course you might want to skip the CC phase of the test for the next several days. Your CC level is going to be quite high for a while during the first half of a conversion and there is no point in wasting the reagents. Later on, when the FC level is no longer going to zero really quickly, it will be time to do the CC portion again.
    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

  15. Back To Top    #15
    Windsurfer50
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    Re: Converting Soon

    Latest update, the water is looking much better. We have been having many interruption so we haven't been very good with the hourly checking and adding bleach. I have attached pics from day 2 and 3, as you can see there is a lot of difference. Day 4 is pretty much the same as the latest pic on Saturday PM. Still working on getting the TC to hold longer and expect a few more days and more bleach.
    Attached Images Attached Images

  16. Back To Top    #16
    frustratedpoolmom's Avatar
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    Re: Converting Soon

    Great pics - and progress.
    (you should edit your thread title to reflect that you have begun the conversion )
    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

  17. Back To Top    #17
    frustratedpoolmom's Avatar
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    Re: Converting Soon

    Quote Originally Posted by Windsurfer50
    Finally got the PH to 9.2
    Do you mean 7.2?
    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

  18. Back To Top    #18
    Windsurfer50
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    Re: Converting with Bleach

    Yes, 7.2 is correct.

  19. Back To Top    #19
    Windsurfer50
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    Re: Converting Soon

    How do I edit the thread title?

  20. Back To Top    #20
    JasonLion's Avatar
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    Re: Converting Soon

    The topic title comes from the subject of the first post. To change the thread title, edit you first post and change it's subject.
    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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