Black charcoal like spots and Green Film

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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Posts: 1
Joined: Thu 01 Oct, 2009 11:56
My Pool: Vinyl Lining
Location: Canada

Black charcoal like spots and Green Film

Postby redhanz » Thu 01 Oct, 2009 12:30


I live in Edmonton, Alberta. I was winterizing my vinyl lined pool the other day. I shocked the pool and the next day came out and checked on it. At the deep end are dark greenish clouds with black speckles in them. The shallow end has what would be a greenish film on it, probably like the greenish clouds but not so dense. The top level has a bit of charcoal looking floaties that when you touch turns into a cloud, so it's not organic. Same with the clouds at the bottom. They look like they can be scooped up with a net but when you do, it turns it to a cloud. The water, other than that is clear. It's very clear until you disturb the alien clouds at the bottom in which it then goes cloudy. Any ideas of what this is? I am a little concered as it hovers between -1 and 10 degrees the next while... then it drops to -25(celsius). I'd like to leave it until the spring but am not sure if this is the correct thing to do.



Black charcoal like spots and Green Film

Postby Guest » Sat 14 Nov, 2009 10:51

what chemicals did you add?
sounds like there could be copper in the water

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