Cleaning Fiberglass

[Mike_L]

My unit often gets covered in mud when I travel dirt roads. It usually washes right off with soap and water. The sides and rear clean up fine. The front, where the wheel spray collects, is stained a brown color.
Any suggestions how to get this off please?

[bsedwebt]

Bow to Stern --- Bow To Stern (BTS) Marine All Surface Protectant for Boat Interiors, Exteriors, Gel Coat and Vinyl - Home