So the rehab continues, the kids have literally been pounding sand the past few days, lol. We've been back filling the steps with sand. So that's intresting in the FL, July sun.. We now have them pretty well packed and no longer feel spongy. We will seal the holes with fiberglass including the mesh, resin, hardener the whole kit and cabboodle.. But now we are stuck on what the to paint them with.. Realized I bought pool paint for concrete not fiberglass. Anyone have a recommended paint for fiberglass pool steps?