Could anyone offer me some advice on getting the yellow stains off of my awning. I think it is sap but not quite sure. I have soap that takes the black streaks and pink fungus off but it won't touch t...
About 1/2 spray bottle of water....few good squirts of Dawn....1/4 bottle of bleach. Start at one end and spray the awning...work your way back till done. Roll it up. Much easier then rubbing with Magic Erasers. Did mine a few weeks ago after the winter rains and snow...came out looking like new.