I am not an expert on all the available chemical systems. So far, I have found this:
Do no use automotive wax systems on fiberglass or aluminum TT's. They are usually designed for "clear coat" paint systems.
Fiberglass need special cleaning followed by a UV protection. I use a Poliglow kit.
https://www.poliglowproducts.com/sto...low-Kit.html#/
There are many brands. Often they require following certain procedures exactly and may require a little skill for perfect results. Read instruction carefully.
I wish you good luck and happy trails ahead!
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