Comments for Black Mold On Inground Vinyl Liner

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May 31, 2012
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Algae/Fungus Under Liner
by: kelly

Thanks for the advice! Let me ask u this - if I put the Dichlor in and bring it up will that effect the stain, like maybe help it go away?

I tried both vit c and tablet, I think it went away or should I say faded, but came back. I have a photo I can send u if u want to take a look?

Honestly, it looks like a coffee or spilled tea stain, just don't want to invest too much time and money on treating something that is never gonna work.

They told me at pool store if it was a stain it would show up on print up. I basically went there for my numbers and curious to what they would tell me! I had every intention of asking ur assistance so I know u would want numbers!!

You got me out of my mess last year so I am only going to do what u suggest, with that said I'm heading to store for the Dichlor.

Thanks,

Kelly




Thanks for the follow up Kelly

Your comment says you tried both the Vitamin C and chlorine tablet, but I'm unsure which one made it fade. If it was the chlorine, you'll be in good shape because you'll need to shock. If the Vitamin C made it fade, the ascorbic acid treatment is a bit more intense.

If the stain is organic, shocking with Dichlor will help. Bring the CYA up to about 30 - 35ppm, then switch to regular chlorine and keep shocking.

However, if you have a fungus under the liner, that's another story. It requires draining the pool, removing the liner and spraying a fungicide treatment.

Robert

Jun 14, 2012
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Black Mold On In Ground Vinyl Liner
by: Anonymous

Try white vinegar - 1 cup per gallon mixture used to clean the black stains.

Aug 29, 2014
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Fungus Under The Vinyl
by: Anonymous

How can i know if the stain comes from under the vinyl?

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