TotalProtect Epoxy Barrier Coat Primer Color - Kit Size:Gray Phosphoric acid-based formula is not

Phosphoric acid-based formula is not as harsh as hydrochloric/muriatic acid rust removers

or clean rag

or fiberglass

Cures at room temperature

TotalProtect Epoxy Barrier Coat Primer Color - Kit Size:Gray Phosphoric acid-based formula is notTough, flexible protection from osmotic blistering A barrier coat seals a fiberglass hull, blocking water entry and inhibiting blister formation in underwater gelcoat and fiberglass. If your boat has a fiberglass hull, you should protect it with a barrier coat beneath your bottom paint. Just 8 12 dry mils of TotalProtect is all it takes to establish an aggressive barrier coat. Water cant get in to do damage. TotalProtect is also flexible and can take