Ex Con Concrete, Rust, Tree Sap & Scale Remover is a high concentration of mild, non fuming acid cleaning agents for concrete removal, rust removal, tree sap removal, from vehicles and equipment. Great to use on fiberglass boat bottoms that have scale and scum build-up. However don't use this product on aluminum surfaces as irreversible damage may occur. Dilution will vary based on conditions.

Ex Con is an excellent product to remove hard water spots, algae, and film that can be accumulated on boat bodies. Gallon Size