Koch Chemie Hull Pre Cleaner Alkaline
KOCH CHEMIE HULL PRECLEANER ALKALINE FOR MARINE PRE-WASH
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 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
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