Stained Painted Pool Surfaces

Stains on the pool surfaces, pool equipment
or on the swimmers, or off-color swimming pool
water. Discolored but clear pool water.
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Joined: Sat 24 Apr, 2010 17:37
My Pool: 21,000 gallon in-ground gunite
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Location: Tulsa, Oklahoma

Stained Painted Pool Surfaces

Postby mglange1 » Sat 08 May, 2010 18:00

I drained the pool last weekend due to high CYA levels. I tried to power-wash what I thought was algae today with no results. I tried brushing an area with 6% bleach and power-washing again. This also created no results. Lastly I cut a lemon in half and rubbed it over the stained surface. This worked great. I've attached pictures. The stain covers all painted surfaces of the pool. I really don't want to rub lemon halves across the whole pool. Is there a treatment I should do before refilling the pool or should I refill the pool & treat this stain then?
Any help would be appreciated.
All painted surfaces are stained
DSC06495.JPG (104.02 KiB) Viewed 2221 times
Lemon quickly cleaned this step surface
DSC06494.JPG (132.93 KiB) Viewed 2217 times
Stain surface versus area cleaned with lemon
DSC06493.JPG (130.52 KiB) Viewed 2210 times

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Location: Space Coast, Florida

Stained Painted Pool Surfaces

Postby lbridges » Sun 09 May, 2010 18:25

Acid in the lemon?

Then perhaps a brushing with dilute muratic acid would do the trick.
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Stained Painted Pool Surfaces

Postby Xclusive » Mon 10 May, 2010 08:37

lbridges wrote:Acid in the lemon?

Then perhaps a brushing with dilute muratic acid would do the trick.

I agree. A light acid wash should take care of those stains. Mix, apply and brush the walls down with 1 part muriatic acid and about 5 parts water. Rinse down the walls when done. Should take care of those stains.

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