Originally Posted by
FurFlyin
We have a guy that sandblasts fairly often for us when we're refurbishing semi trailers. I'm going to buy a roll of that plastic tubing and get him to blast over the whole roll while it's still coiled up. That should roughen it up really good and probably blow some holes in it too, which won't hurt. I figure that will help algae to gain a foot hold on the pipe.
just send me the coordinates when you are done ! I will help ya keep track of them!
Too blessed to be stressed!