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Thread: Starting over

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    Starting over

    So I'm starting the SLAM over. I spent about two hours vacuuming to waster earlier. I was very suprised at how many leaves were still left in the bottom even after I had tried to get them with a dip net before I did my first SLAM. Most of them were bleached white. I have my polaris running in it also; not sure if that is a good idea or not but I was hoping it would pick up anything left/stir the water up more. Wish me good lucak and if anyone has any more suggestions please let me know




    temp - 58 was 52 when I started process

    fc - 19.0 at 3:40 pm
    cc - .5
    ph - 7.5
    ta - 90
    ch - 140
    cya is less than 30, was at 50 when pool was closed in Oct but we got a lot of rain this winter
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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    Texas Splash's Avatar
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    Re: Starting over

    Hey GH, welcome back. I was curious about your situation. Okay, the only thing I would suggest is confirming the CYA. If it's 20, that's one thing (FC shock would be 10). If it's 30, the FC shock would be 12. But if the dot never disappears it may be less than 20, it could actually be zero. You want to ensure you have at least 20 CYA there. Then pick either 10 or 12 FC as your SLAM level (CYA of 20 = FC 10; CYA of 30 = FC 12).

    Your pH is no longer applicable since you started the SLAM and an FC over 10 will skew the pH reading, so there's no need to test until after the SLAM. The rest is fine. Now just keep cleaning manually, sweeping. scrubbing, and above all else, maintaining the FC at that 10-12 mark depending on your CYA. Don't stop, even if the water looks clear, until you pass all 3 SLAM criteria. Good luck!
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    AimeeH's Avatar
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    Re: Starting over

    Welcome to TFP gashauler. You didn't have a question in your post but I'm going to ask. You say starting over? Did you stop a SLAM in progress for some reason? You not done until it is clean and clear. And passing the three criteria of passing OCLT, clear water and cc is less than .5

    If you have questions about the process please ask
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
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    Re: Starting over

    Oh, and the Polaris is fine. Just make sure it doesn't grab something in the "muck" that could stop it.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    Mod Squad kimkats's Avatar
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    Re: Starting over

    Only one thing missing-----------pictures! Take a pic each day looking down at your steps. That will help you see the progress.

    What are you using to test with? Please add that info to your signature.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Starting over

    I had another thread that had pics, is there a way to link them together. I also took the ph measurement before I added the 2.5 gallon jug of bleach. As far as the CYA the dot doesnt disappear. Tx Splash, I put the whole jug in there to try and not have to keep adding every 30 min or hour or whenever. Laziness on my part lol. My test kit is a taylor k2006 btw.

    Moderator note: As the previous thread dealt mainly with flock and other issues I recommend not merging them to reduce confusion. It can be viewed here: Does water temp affect pool drop?
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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    Re: Starting over

    Ok...so it's been about 40 minutes since I last checked and the fc is still at 19
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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    Texas Splash's Avatar
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    Re: Starting over

    Oh, okay. Since the dot never disappears, it means you have little to no CYA. It would be best to add enough stabilizer (via the sock soaking method) and shoot for a CYA target of 20 ppm. Get that soaking while you continue with your SLAM. To be safe, in case there was a small amount of residual CYA in there before, make your FC Shock level "12". For adding stabilizer, bleach, or anything else, it's always best to use the poolmath calculator (link below). Let it do the work for you. But try your best to keep the FC constant without too many "highs and lows". The more constant the better so you don't waste bleach and $$.

    - - - Updated - - -

    You can let the FC sink down a bit to 12-ish. No need to keep it too high. It doesn't work faster, just kind of wastes bleach to the sun.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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    Mod Squad tim5055's Avatar
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    Re: Starting over

    Quote Originally Posted by GasHauler View Post
    I put the whole jug in there to try and not have to keep adding every 30 min or hour or whenever. Laziness on my part lol. My test kit is a taylor k2006 btw.
    A SLAM is not the place to allow laziness to take over. The instructions are written to be followed as closely as possible.

    Massive additions of chlorine are never a good thing and should be avoided. Test and add only a sufficient amount of chlorine to get to (or just slightly above) shock level.
    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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    Re: Starting over

    Okay...So SLAM was successful and passed the OCLT. Went to leslies and bought some alum and it worked great. Water was very clear until I stirred it up a bit vacuuming it, it is not super clear now but you can see the bottom in the deep end and it is settling again. My new problem now is what I guess would be considered stains. It looks to me like butter from a microwave popcorn bag and has the same feel. If you scrape it with you fingernail it comes off.

    fc - 5
    cc - .0
    ph - 7.4
    ta - 90
    ch - 140
    cya - 40
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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    Re: Starting over

    Is this yellowish stuff out in the open part of the pool where it gets sun, or it tucked-up against a side or in the shade?
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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  12. Back To Top    #12

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    Re: Starting over

    As best I can tell everywhere. It has a sandy texture when you scrape it off with you fingernail. The steps, returns and also the skimmer are stained brownish.
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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    Re: Starting over

    Green algae usually floats in the water and turns the entire pool a murky green. Mustard algae is a yellow green color and grows on the walls and floor mostly on the shady side of the pool. Pollen and dirt tends to accumulate in drifts on the floor in places with slower circulation and can often look fairly similar to mustard algae. Brownish stains would tend to imply metal in the water. Did we ever ask if your local water has iron in it? I've seen lots of well water in AL with iron in it.

    By the way ... is your water still clear? It was looking quite good in your previous thread. Just a little cloudy back then as you were finishing the SLAM.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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  14. Back To Top    #14

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    Re: Starting over

    Yes water is clear. I'm not on well, on city and FWIW leslies said there was no iron in my water, They also said that there was no cya when I put 4 lbs of it in last weekend and I measure it to be 40 so not sure if I trust that.
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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    Texas Splash's Avatar
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    Re: Starting over

    ha. No surprise on the Leslie tests. What we need to determine now is exactly what type of staining you have going on there. Try holding a vitamin C tablet against one of the stained spots until it dissolves. If the stain vanishes in that area they are iron stains. If vitamin C does nothing, you can also try to hold a tablet/puck on the stain(s) for about a minute - not too long in one spot though since I believe your surface is vinyl (keep it moving a bit). We don't want you to damage the vinyl. Triclor works against organic stains. If the puck lightens the stain, it is organic. For organic stains, keeping FC around shock level for your CYA level for several days with some consistent brushing will usually clear up all of the stains. If the vitamin C doesn't work and you're not comfortable holding a puck against the vinyl, them simply go straight to bumping-up FC for a few days to see fi that has an overall effect.

    Give either/all of those a try and let us know how it goes.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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    Re: Starting over

    I took bleach and poured it on the top step and scrubbed when the water level low after I vacuumed to waste the other day and nothing, is that the same or does it have to be tri chlor. I've had the fc at shock level for a week while doing the slam. I'll have to get some vitamin C and try that.
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

  17. Back To Top    #17
    Texas Splash's Avatar
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    Re: Starting over

    The tablet would have to be applied directly to the stain. Curious about the vitamin C though.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  18. Back To Top    #18

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    Re: Starting over

    Also leslies says my TDS is high...I think over 3000 and my phosphates are also, like 200ish. Could those have anthing to do with it??
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

  19. Back To Top    #19
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    Re: Starting over

    There are many discussions on the forum about those items and how a well-balanced pool is not effected by either. Rely on your K-2006. It's a veteran-proven test kit that gives you all the results you need so you can accurately treat your water with our list of Pool School - Recommended Pool Chemicals. TDS and phosphates are generally just another tactic to get you to buy more expensive pool products that will not resolve the root problem (usually algae).

    A stain in vinyl pool must either be organic (form of algae) or metal. Either way, they can be treated by proper sanitation or sequestrants respectively. We just need to pinpoint it.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

  20. Back To Top    #20

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    Re: Starting over

    So a tablet will take it off...I rubbed a tab on a 2 foot circle area and it came off but it kind feels like sandpaper(before rubbing the tab on it). Could it be some sort of scaling???
    18 x 36 IG 25000 gal Pentair 1 hp pump Pentair 350# sand filter Taylor k-2006

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