Recent content by Valhop14

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    Help Identifying Stains - Rounds Grey/Black Dots on plaster

    Re: Help Identifying Stains - Rounds Grey/Black Dots on plas Size: ranges from dime to quarter size
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    Help Identifying Stains - Rounds Grey/Black Dots on plaster

    Re: Help Identifying Stains - Rounds Grey/Black Dots on plas I'm almost sure it's not algae, it doesn't feel slimy and it doesn't budge when brushed.
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    Help Identifying Stains - Rounds Grey/Black Dots on plaster

    I need some help in identifying some stains in my pool. It is a salt water pool with plaster/quartz surface. We had the pool resurfaced last season but all of a sudden we are seeing a number of round spots which are dark grey in color. I think they might be some kind of metal stain but how do i...
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