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It is currently May 23rd, 2012, 11:54 pm
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REBARBEE
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Post subject: FC  Posted: August 19th, 2011, 7:29 pm |
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Joined: July 17th, 2011, 5:10 pm
Posts: 27
Location: Terre Haute indiana
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after shocking was complete a couple of weeks ago the fc would fall from 7 to 4.5-4.0 during the day last couple of days its dropped to 3 and the cc is up to .5 its usally been 0 any thing to be concerned about. try to test about the same time every evening
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19200 gal. IG, haywood s-200 sand filter, 3/4 horse haywood pump and motor, vinyl liner, tf 100 test kit and a NOW unused haywood tablet chlorine feeder
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duraleigh
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Post subject: Re: FC Posted: August 19th, 2011, 8:20 pm |
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Joined: April 1st, 2007, 8:12 am
Posts: 11315
Location: Raleigh, NC
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Has it been a little hotter lately? A few more swimmers? Either of those could account for the increase.
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Dave S.
Site Owner
TFTestkits owner
TFTestkits , Pool Calculator , Pool School
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anonapersona
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Post subject: Re: FC Posted: August 19th, 2011, 10:54 pm |
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Joined: November 5th, 2008, 7:13 am
Posts: 1918
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Dogs in the pool? Leaves blown in? CYA too low?
The way to know if shocking is needed is to do OCLT. If you lose chlorine in the dark with no one in the pool and skimmers, etc, clear of leaves, then you have organics in the pool.
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22,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas. Trouble Free Pool since April 2009.
Sill a novice, don't let the post count fool you
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REBARBEE
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Post subject: Re: FC Posted: August 20th, 2011, 8:44 am |
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Joined: July 17th, 2011, 5:10 pm
Posts: 27
Location: Terre Haute indiana
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thanks all, has gotten hot again the last few days i'll keep a checking
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19200 gal. IG, haywood s-200 sand filter, 3/4 horse haywood pump and motor, vinyl liner, tf 100 test kit and a NOW unused haywood tablet chlorine feeder
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supertune
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Post subject: Re: FC Posted: August 20th, 2011, 5:24 pm |
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Joined: May 3rd, 2011, 7:21 pm
Posts: 278
Location: Clearwater, FL.
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Richard320 wrote: I'll just echo what duraleigh said. One really sweaty body can use up a lot of FC.
My CC goes up and down for no reason. Sometimes I'll get .5 for days on end, and then it will read nothing for a few days. Yesterday I had none. No one used the pool. This morning I had .5. If you're worried, use a heavy hand on the bleach dosage. And check the skimmer. Even if they're not in the pool, leaves and pollen are still in the system. A 0 to .5 of up and down is very normal, mine acts just like Richard's. I did get up to 1. CC after a heavy late nite swim (or should I say a big, pass the bottle  !) with lots of the extended family. (I also heard the dog was in the pool too!) I just went up to about 9 ppm FC in the morning after seeing the 3.5 FC & 1 CC and by the evening was 6 PPM FC and 0 CC My CYA is 40. Chuck
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Intex 15 X 48 Above Ground Yeah, it's down!, Soon to have our Swim n Play 21' round UP!
Waterway 1HP-22" Sand filter
(Best thing I have done to this pool, get rid of the inadequate 'A' stock cartridge filter)
TF-100 test kit - http://tftestkits.net/splash-page.html
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