Hi all. Haven't been around here in a while. After a knee injury my boat has been sitting for a couple years. Today was first time I washed it. I notice after washing these little black spots kind of stayed on it. So to the point...notice in the images, what can I used to get rid of this? I scrubbed fairly hard with my brush to no luck. I used boat wash and wax and that awesome cleaning formula don't remember what it's called. I thought about trying to use bleach as I done with my previous boat. Is this a good choice? Thanks!
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