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Thread: White hard buildup on vinyl liner

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  1. #1
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    Default Re: White hard buildup on vinyl liner

    Thank you so much!

    Was he to pour 2 gal of bleach in once it is full, too?

  2. #2
    madwil is offline Registered+ Widget Weaver madwil 0
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    Default Re: White hard buildup on vinyl liner

    yes- keep the chlorine levels normal; that will sanitize the pool at the same time the other crap is being taken care of- the chlorine shouldn't drastically affect the other stuff dissolving...

  3. #3
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    Default Re: White hard buildup on vinyl liner

    Pool has been up and running since last evening.

    We put 2 gallons of bleach in this morning, chlorine is testing as not having any. Should we keep putting bleach in or can we use the saltwater chlorine generator?

    Also, put 2 gallons of muriatric acid in it, Ph is now testing between 6.8 and 7.2 on the test kit, closer to 6.8. Should we go ahead and add a little borax or not yet?

    If we test the total alkalinity correctly, it is 190?

  4. #4
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    Default Re: White hard buildup on vinyl liner

    Also, do we need to wait for all this to dissolve before using it?

  5. #5
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    Default Re: White hard buildup on vinyl liner

    Not at all! Swim away.

    Sorry I haven't posted the pics and explanation yet -- will do so today.

    Meanwhile, go ahead and treat the pool. You can use bleach + stabilizer OR use dichlor. Sams has 50# of diclor for about $110, which should last you through the winter. Ideally, you'll get a DPD-FAS Taylor kit, so you can manage high chlorine, stabilizer AND work on your high TA. Regardless, you need to be adding a gallon of bleach each PM till you get the pool stabilized.

    Regarding pH & alkalinity, you'll need quite a bit of muriatic acid. I'll explain more later, but for now, what you need to do is lower the pH to 6.8 and then LET IT RISE BY ITSELF. You can accelerate the process by adjusting the pool return eyeball so it 'ruffles' the water's surface.

    Ben

  6. #6
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    Default Re: White hard buildup on vinyl liner

    I deeply appreciate all your help. Loved the new thread, will be interesting to see what other's experiences are.

  7. #7
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    Default Re: White hard buildup on vinyl liner

    reddolphin,
    I noticed you said you use water softener pellets. This is for salt in the pool for your SWCG? I've noticed that some of the pellets have other stuff (features) besides NaCl. Unless someone here says I'm wrong (and I may be) I would avoid using specialty pellets ( especially if the label lists other non-salt stuff ) and stick with just water softener salt ( rock salt for driveways has lots of dirt and rocks and other icky junk I wouldn't want to swim with ).
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

  8. #8
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    Default Re: White hard buildup on vinyl liner

    Yes, the water softener pellets were for the salt in the SWCG. This is the first year we've had it. The build up has been going since last year though. I could be wrong, and I will ask my husband if it was water softener pellets or salt that he used. It was in the lawn and garden, next to the pool salt. These were a few bucks cheaper, so went that way.


    We swam in the pool today.......was awesome. The stuff is starting to come off the sides. It is leaving behind some green yucky stuff like it did when it dissolved in the glass. The stuff that is left on there is not as rough/hard feeling as it was before.

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