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Thread: I was lost, and then I found TFP!

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    Join Date
    May 2016
    Location
    Lincoln, NE
    Posts
    4

    I was lost, and then I found TFP!

    Howdy, this is Ben in Lincoln, Ne. We moved in last spring to an old house with an old, but reliable pool. Last season it took me over a month to get the water good for swimming. This year, I started from the get-go with the TFP method (as opposed to the vague advice by pool store staff to "just keep shocking it"). My water went from swampy green to crystal clear and in range in 8 days this year! Getting a FAS-DPD kit really helped! The kids are already swimming. Water's a little cold yet for my taste, but they don't seem to mind.
    I changed the sand last year. I add DE after backwash. Still seems like I get a lot of dead powdery material on the bottom, as well as floating material the skimmer doesnt seem to catch, even if the pump's on all day. I pretty much have to skim and vacuum manually every day to keep it clean. Chlorine level is consistent and in range for cya of 50 (I use bleach except when on vacation) There's little or no combined chlorine. Just ugly brown powder on the bottom. Doesn't matter how I play with skimmer/main drain valves. Any advice? I was thinking of getting a Pool Skim, but don't know if that would affect the stuff on the bottom much. I can't decide if it's stuff going through the filter, or stuff falling from the surface, or what.
    Thanks!
    20 K in-ground pool, built 1987, 16' 32', elderly vinyl liner with wrinkles and one patched corner, Jacuzzi Magnum Plus pump with 1 hp Smith motor, Pentair Triton II - TR-60 sand filter (fortified with 1.5 cups DE after every backwash), fiberglass walk-in steps with 2 ugly yellow patches, 1.5" pvc tubing, 2 inlets, one skimmer, and a sweet pool light

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    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Location
    Columbia, SC
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    8,497

    Re: I was lost, and then I found TFP!

    Welcome to TFP!!

    Step one. conduct an Overnight FC Loss Test (OCLT) to verify noting living in the water. "dead powdery material" gives me the uneasy feeling of a low level algae bloom that your chlorine level i skeeping just under full blown green stage.

    If that is negative you are probably dealing with blown in debris and need to investigate some sort of automatic pool cleaner. My preference is a robot, but there are other options.

    Oncde you get it under control its time to stop by Lazlo's Brewery or my favorite, Glacial Till Winery for "Fermented Fridays".

    I'm hoping it's just stuff blowing in to the pool.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Join Date
    May 2016
    Location
    Lincoln, NE
    Posts
    4

    Re: I was lost, and then I found TFP!

    I did an oclt a few days ago, and I had less than 1 ppm chlorine loss. It was gobbling up chlorine quickly at first, but after that last test it took days for it to get into swimmable range, even with the relatively low cya. So I think it's dead. My biggest worry about a robot is the large wrunkles, especially in the deep end. I think this happened when the former owners let the water level rise up enough to spill behind a (now patched) tear in the corner. I know we'll have to get a new liner in the next couple years, but the liner we have is pretty thick and the wrinkles aren't getting bigger, so we're holding off for now. Will a robot work properly over the wrinkles? Some of the biggest ones are around the main drain, and are about and inch or so high.
    20 K in-ground pool, built 1987, 16' 32', elderly vinyl liner with wrinkles and one patched corner, Jacuzzi Magnum Plus pump with 1 hp Smith motor, Pentair Triton II - TR-60 sand filter (fortified with 1.5 cups DE after every backwash), fiberglass walk-in steps with 2 ugly yellow patches, 1.5" pvc tubing, 2 inlets, one skimmer, and a sweet pool light

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    Richard320's Avatar
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    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: I was lost, and then I found TFP!

    If your returns protrude from the walls, rubber-band a hole-less sock over each one. If the pool floor stays clean and the sock fills, you know the problem is within the filter.
    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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    Join Date
    May 2016
    Location
    Lincoln, NE
    Posts
    4

    Re: I was lost, and then I found TFP!

    Thanks for the ideas! I'll give the sock idea a try and will do another oclt just to be sure.
    20 K in-ground pool, built 1987, 16' 32', elderly vinyl liner with wrinkles and one patched corner, Jacuzzi Magnum Plus pump with 1 hp Smith motor, Pentair Triton II - TR-60 sand filter (fortified with 1.5 cups DE after every backwash), fiberglass walk-in steps with 2 ugly yellow patches, 1.5" pvc tubing, 2 inlets, one skimmer, and a sweet pool light

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