Not really. It looks more like a normal soft layer of yellow/brown algae but it won't budge. Feels like sandpaper. Will scrape off with hard plastic (like a piece of PVC pipe). It will stick to the PVC and looks and feels like sandy clay.
Not really. It looks more like a normal soft layer of yellow/brown algae but it won't budge. Feels like sandpaper. Will scrape off with hard plastic (like a piece of PVC pipe). It will stick to the PVC and looks and feels like sandy clay.
Spray it with a hose nozzle to clean off anything that can be removed that way, and then photograph it. Send the pictures to poolforum@gmail.com.
It really sounds like you have uncleaned sand algae, like the green picture above, but with the slime removed. The other pictures were after either pressure washing or hard spraying, and then drying.
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