Koch Chemie Hull PreCleaner Acid

$26.99

Koch Chemie Hull PreCleaner Acid for Deck & Hull Pre-Wash | Charleston, SC

Hull PreCleaner Acid is Koch Chemie’s highly concentrated acidic pre-wash for boat decks and hulls on gelcoat, paint, and plastics. Charleston salt and mineral fouling often need 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 at Marine Detail Supply Charleston

Lowcountry boat detailers, yacht crews and owners can pick up the Koch Chemie Marine line at our North Charleston shop. Marine Detail Supply Charleston is at 7644 Southrail Rd., Unit #400C, North Charleston, SC 29420, serving Charleston, Mount Pleasant, Summerville, Daniel Island, Folly Beach, James Island, Isle of Palms, Kiawah and the Lowcountry marinas. Call (843) 256-3383 or email noah@marinedetailsupply.com to check stock, arrange local pickup at the shop, or place yard and fleet orders.

Shipping & Guarantee
Price Match Guarantee
  • We price match our competitors so you get the best pricing
  • Same-day shipping from our North Charleston shop
  • We ship domestically and internationally with great rates
  • Questions? Call us at (843) 256-3383