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Thread: Started the conversion Thursday afternoon

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    Started the conversion Thursday afternoon

    We started the conversion Thursday afternoon and have dumped a ton of bleach in our 16x32 inground pool. Friday the water was very ugly, Sat a pretty light green. by last night we could see the water was clearing and this morning the pool was sparkling clear. The FC level was at 16 at 7:00 am this morning. Did not add any bleach today. We did a test tonight at 6:00 pm. After mixing powder in the test water it was completely clear. Checked the total clorine with the small test kit and it above 5. I'm confused, any ideas on what to do next. Thanks, Ann

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Started the conversion Thursday afternoon

    Welcome to TFP!

    Can you tell us what you are using for testing? Also, what was the FC last night after the final chemical addition?

    If FC is zero, and TC is 5+, then CC must be fairly high. That is to be expected. CC often runs quite high during a baqucil conversion.

    There is also some chance that you are doing the FC test incorrectly, but there is nothing in what you said to suggest that. If you have a FAS-DPD chlorine test, which it kind of sounds like you do, you should be able to measure FC and CC separately.

    In any case, you should do an overnight FC loss test tonight. If you lose 1.0 ppm or less of FC overnight you are ready to move on to the final stage of 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

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    geoshecks's Avatar
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    May 2009
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    Perry Hall Maryland North of Baltimore
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    Re: Started the conversion Thursday afternoon

    Welcome,
    Good choice!
    Geoshecks
    Perry Hall, Maryland
    27' round above ground, 17100 gal, vinyl, Hayward1.5hp, 200lb.sand, EX baqua-goo user.

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    Re: Started the conversion Thursday afternoon

    Thanks for getting back to me so soon. We ordered your test kit and started the conversion after we got it Thursday. It is a great kit. We added 3 gallons of bleach waited an hour and tested, right now we are at 15.5 FC level, and our CC is.5. Will test early in the morning. Hopefully, we will be ready for the next step.

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    Re: Started the conversion Thursday afternoon

    Thanks to you, we now have a beautiful clear pool. Everything is working great. I check the clorine levels each day and the rest weekly. My only problem now are remaining stains from last summer. The deep end looks bad and a few stains in the shallow end. I don't what caused them, some look almost like rust. And they are stubborn to remove. I spent a fortune at the pool store while using Baquacil and nothing worked. I am going to enjoy my clear pool for awhile and then tackle the stain issues. Again, thank you so much for your website and the excellent advise.

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    JasonLion's Avatar
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    May 2007
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    Re: Started the conversion Thursday afternoon

    Congratulations!!!

    You might try holding a vitamin C tablet against one of the stains for 30 seconds, and see if that does anything.
    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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    frustratedpoolmom's Avatar
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    May 2007
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    SWSuburban Chicago, IL
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    Re: Started the conversion Thursday afternoon

    Did you try a vitamin C tablet to see if they are iron stains?

    Enjoy your pool!
    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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    Re: Started the conversion Thursday afternoon

    Haven't tried the vitamin C yet, but I will do that. Thanks for the tip.

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