"The state Department of Natural Resources purchased the portable decontamination units with funding provided by the state Legislature to combat invasive species. The units are capable of spraying 160-degree water at high pressure to remove zebra mussels from boat hulls, livewells and other areas that can harbor invasive species."

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Is this likely to do any harm to a fiberglass boat or remove the wax?

Some where I read not to wash fiber glass boats at the car wash because the pressure could be harmful. I'd take this with a grain of salt but I would think 160F water and pressure would remove the wax.

BTS..............................

problem solved