Koch Chemie Hull PreCleaner Acid
Koch Chemie Hull PreCleaner Acid for Deck & Hull Pre-Wash | Danvers, MA
Hull PreCleaner Acid is Koch Chemie’s highly concentrated acidic pre-wash for boat decks and hulls on gelcoat, paint, and plastics. Salt and mineral fouling on boats hauled out of Massachusetts Bay often needs an acid pre-clean before Boat Wash or polishing—use carefully and never on real wood or aluminum.
Features / Why Pros Use It
- Highly concentrated acid pre-cleaner for hull and deck
- For gelcoat, paint, and plastic surfaces onboard
- Dilute ~1:10 for typical soils; neat for heavy soiling (per Koch)
- Not for real wood or aluminum—wear eye protection
How to Use
- Dilute 1:10 with water for normal soils, or apply neat for heavy soiling
- Apply with an acid-rated pressure sprayer or appropriate applicator
- Agitate as needed; do not allow to dry—rinse thoroughly
- Never use on aluminum or real wood; avoid hot surfaces
Shop Koch Chemie Marine at MDSC Greater Boston
Ask at the Danvers counter about the right acid or alkaline pre-clean for your hull and haul-out schedule at 28 Harbor St #6, Danvers, MA 01923, or order online for same-day shipping when you qualify. Marine Detail Supply – Greater Boston carries the full Koch Chemie Marine line for boat detailers across the North Shore, Boston and New England. Call 978-560-7181 to ask about pads, machines and the right cut level for your gelcoat or paint correction job.
- FREE Shipping on all domestic U.S. orders over $200
- Orders under $200 ship for a flat rate of just $7
- Same-Day Shipping on orders placed before 2:00 PM ET, Monday–Friday (business days)
- Most items ship UPS Ground or USPS Priority Mail. Hazardous materials (flammable, corrosive or oxidizer products) ship UPS Ground only and are not eligible for USPS, expedited, overnight or air shipping.
- Discounted UPS overnight rates available on non-hazardous items
- Questions? Call us at 978-560-7181