Removing HEAVY Oxidation from Your Boat's Hull
This video helps tackle heavy oxidation on a Blackjack 256 Detail that's not been cleaned, polished or waxed since Hurricane Ian. Suncoast Boat Detailers gives the steps and products used to wetsand, compound, polish and wax restoring a hull back to it's original luster.
Matt O
2/15/20242 min read


Step-by-Step Guide to Removing Oxidation from a Boat Hull
Preparation: Be sure to clean the boat THOROUGHLY with Dawn or a Boat Soap that cuts grease and removes debris.
1. Assess the Condition: Before starting the oxidation removal process, carefully inspect the boat hull to determine the extent of oxidation and any other surface imperfections.
2. Gather Materials: Collect all the necessary materials and tools including:
- 1500 grit sandpaper
- 2000 grit sandpaper
- Boat-safe compound
- Boat-safe polishing compound
- Microfiber towels
- Buffing pads (appropriate for compound and polishing stages)
- Water source (hose or bucket)
- Woody's Carnuba Wax
- Dual-action polisher (optional but recommended)
3. Prep the Work Area: Choose a shaded area to work in, preferably indoors or under a canopy, to avoid direct sunlight. Ensure the boat hull is clean and free of debris.
Oxidation Removal Process:
4. Wet Sanding with 1500 Grit:
- Soak the 1500 grit sandpaper in water for several minutes to soften it.
- Begin sanding the oxidized areas of the boat hull using light pressure and a circular motion.
- Keep the surface wet while sanding to prevent heat buildup and to wash away loosened oxidation.
- Continue sanding until the oxidation is visibly reduced, periodically rinsing the surface to check your progress.
5. Wet Sanding with 2000 Grit:
- Repeat the wet sanding process with the 2000 grit sandpaper, focusing on smoothing out the surface and further refining the finish.
- Again, keep the surface wet and periodically rinse to assess your progress.
6. Compounding:
- Apply a boat-safe compound to a clean buffing pad or directly onto the boat hull.
- Work the compound into the surface using a dual-action polisher or by hand, following the manufacturer's instructions.
- Buff the surface until the oxidation marks are completely removed and the finish begins to shine.
- Wipe away excess compound residue with a clean microfiber towel.
7. Polishing:
- Apply a boat-safe polishing compound to a clean buffing pad or directly onto the boat hull.
- Polish the surface using a dual-action polisher or by hand, working in small sections at a time.
- Buff until the surface achieves a high gloss shine, removing any remaining haze or imperfections.
- Wipe away excess polishing compound residue with a clean microfiber towel.
8. Waxing:
- Apply Woody's Carnuba Wax to a clean applicator pad or directly onto the boat hull.
- Work the wax into the surface using small, circular motions, ensuring even coverage.
- Allow the wax to haze over according to the manufacturer's instructions.
- Buff the waxed surface with a clean microfiber towel until a brilliant shine is achieved.
9. Final Inspection:
- Carefully inspect the boat hull to ensure all oxidation has been removed and the finish is uniform and glossy.
- Touch up any areas as needed and perform a final wipe-down to remove any remaining residue.
Post-Work Care:
10. Maintenance:
- To prolong the restored finish, regularly wash the boat hull with a boat-safe cleaner and apply a protective wax or sealant as needed.
- Store the boat in a covered area when not in use to prevent future oxidation and UV damage.
By following these steps, you can effectively remove oxidation from a boat hull and restore its appearance to a like-new condition.

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