Koch Chemie Hull PreCleaner Alkaline
Koch Chemie Hull PreCleaner Alkaline for Marine Pre-Wash | Danvers, MA
Hull PreCleaner Alkaline is the highly concentrated, phosphate-free alkaline pre-wash for boat decks and hulls. Use it to break traffic film and organic soils on gelcoat, paint, and plastics before foam or hand wash—a reliable first step for Boston-area wash crews.
Features / Why Pros Use It
- Phosphate-free alkaline concentrate for hull and deck pre-wash
- For gelcoat, paint, and plastic surfaces
- Typical dilution 1:20 to 1:60 depending on soil level
- Not for real wood; do not allow product to dry
How to Use
- Dilute 1:20–1:60 based on soiling
- Apply with foam lance/DPZ or wash sponge; dwell briefly as directed
- Agitate and rinse thoroughly before Boat Wash or polishing
- Avoid real wood and hot surfaces
Shop Koch Chemie Marine at MDSC Greater Boston
Pair the alkaline PreCleaner with Boat Wash for a full pre-wash and wash process. Both are available at our Danvers shop 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.
Shipping
- 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