koch chemie hull precleaner acid hac sauerer vorreiniger marine linie Glasreiniger Flood half the pad again

Flood half the pad again on the second section and you end up with a layer of leftover compound residue that visibly drags the gloss down

or for heavier dirt lightly onto the panel

Suited to steel wheels and alkali-resistant painted alloy wheels

Combined with a final ceramic coating

Final polish and protection

koch chemie hull precleaner acid hac sauerer vorreiniger marine linie Glasreiniger Flood half the pad againAcid based pre cleaner for boat hull and deck Koch Chemie Hull Precleaner acid "Hac" The Koch Chemie Hull Precleaner acid "Hac" is a highly concentrated, acid based pre cleaner built specifically for the deep cleaning of boat hulls and decks. Thanks to its blend of mild acids and surfactants, it pulls off limescale and rust stains without harming the surface. A great fit for gelcoat, paint and plastic surfaces as well as stainless steel. Cuts through