MA5X Boat Hull Cleaner 55 Gallon Drum - Stain and Rust Remover

MA5X Boat Hull Cleaner in the 55 Gallon Drum format is designed for marinas, boatyards, and fleet service yards that need consistent hull stain removal at scale. The same Eco Marine concentrate used in our 32 oz and 1 gallon sizes is supplied here for centralized storage, drum pumps, and palletized distribution to multiple docks and work crews. Key Features & Benefits for Commercial Use High output concentrate: Acidic formula with phosphoric acid and biodegradable surfactants targets waterline stains, rust, scum, algae, barnacle residue, and shell marks on fiberglass and gel coat while keeping cost per hull service predictable. Restores and protects surfaces: Removes yellowing and rust staining on hulls, lower units, and trailers, helping maintain a clean, professional appearance for charter fleets and storage customers. Controlled acid system: Phosphoric acid base (pH 1–3) delivers strong cleaning performance without the harsh fume profile of many hydrochloric acid drum produc