Pools, Spas and Hot Tubs - VERY Stubborn algae

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TomLusk
06-28-09, 10:56 AM
One area of my ingound vinyl pool liner has a section (approx. 4 square feet) that has withstood my attempts to clean. The algae there has withstood several shockings. The rest of the pool is perfectly clean.

The brush I use has no effect on it at all. This section is in the deepest part of the pool (~10') of course.

Any suggestions ?

Thanks.

todrut
06-28-09, 11:24 AM
what color is it? Sounds like it might be mustard or black algea.
TomLusk
06-28-09, 01:00 PM
It looks like a light green/yellow color...

todrut
06-28-09, 05:22 PM
mustard algea, get the proper algeacide at store and treat according to label.
455olds
06-29-09, 08:17 AM
If its algae it should brush off. Get a closer look by using a mask and dive down with a stiff sponge or your fingernail and see if you can get under it. If that doesnt do anything it may be a stain in the liner or something growing underneath.