I might not be posting this in the proper place, if not, I apologize. I have tried several products when washing my fw, however have had very little success removing streaks. I have fiberglass sides o...
The wide gutters work well. But to remove the black streaks, and make it easier to keep them off. Just wax them off with a good cleaner wax. I use Mequire's. No need to use a harsh cleaner like awesome, or black streak remover. And then have to wax anyway. They will just wax off with cleaner wax, ONE step, and done. Works great. And fiberglass sides are super easy to wax. Again. Keeping a good wax job on the RV, Makes removing the streaks a breeze.