Koch Chemie Hull PreCleaner Alkaline for Marine Pre-Wash | Fort Myers

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—standard first chemistry in Fort Myers wash processes.

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

Marine Detail Supply Co. stocks the full Koch Chemie Marine Line for professional boat detailing across Fort Myers and Southwest Florida. Pick up at HQ — 14231 Jetport Loop, Fort Myers — or order for same-day shipping when you qualify. Ask our team 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 $5
• Same-Day Shipping on orders placed before 2:00 PM ET, Monday–Friday (business days)
• All orders ship via UPS Ground or USPS Priority Mail
• Discounted UPS Overnight shipping rates available
• Questions? Call us at 800-248-6130