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On & Off Hull Cleaner 32oz MK2032 Marine Acid Cleaner
| Quantity | Price |
| 1 | 29.51 |
Fast Acting Hull Cleaner for Boats & Marine Surfaces
On & Off Hull Cleaner MK2032 (32oz) is a fast-acting marine cleaner designed to remove tough waterline stains, algae, scum, and marine growth from fiberglass and painted surfaces.
This acid-based formula works quickly to break down stains without heavy scrubbing, making it a popular choice for routine hull cleaning and seasonal maintenance.
Applications
This hull cleaner is used on a variety of marine surfaces where stains and buildup commonly occur.
Typical Uses
| Application | Surface | Use Case |
|---|---|---|
| Boat Hulls | Fiberglass / Gelcoat | Removing waterline stains and discoloration |
| Marine Surfaces | Painted Surfaces | Cleaning algae, scum, and buildup |
| General Marine Use | Exterior Surfaces | Routine cleaning and maintenance |
Always test on a small area before full application and follow manufacturer instructions.
Product Features
- Fast-acting acid-based formula
- Removes waterline stains and yellowing
- Effective on algae, scum, and marine buildup
- Designed for fiberglass and gelcoat surfaces
- Reduces the need for heavy scrubbing
- Convenient 32oz bottle size
What This Product Is Used For
On & Off Hull Cleaner is designed to quickly remove tough stains and buildup from boat hulls. It is commonly used to clean the waterline area where discoloration and marine growth tend to accumulate.
This product helps restore the appearance of fiberglass and painted surfaces and is often used during seasonal maintenance or before storage.
Frequently Asked Questions
What surfaces can this cleaner be used on?
It is designed for fiberglass and gelcoat surfaces and can also be used on some painted marine surfaces.
Does this require scrubbing?
In most cases, the formula works without heavy scrubbing, though light agitation may help with tougher stains.
Is this safe for all surfaces?
This is an acid-based cleaner. Avoid use on sensitive materials and always test before full application.
When should this be used?
It is commonly used during routine cleaning, seasonal maintenance, or before storage.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 (continental U.S.).
- Orders ship via UPS, USPS, or FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical ground delivery time is 15 business days.
- Chemical products may require special handling or additional shipping charges.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Product Terms
Product: On & Off Hull Cleaner MK2032
Common Searches: hull cleaner 32oz, boat hull stain remover, waterline cleaner boat, marine acid cleaner, fiberglass hull cleaner
Brand
Removes dirt, grease, grime and chalking.
Easy to use on most surfaces above the waterline.
Great for non-skid decks, shower stalls & tubs.
Non-streaking.
Leaves no residue.
Cleans away dirt and grime, leaving surfaces sparkling clean.
Makes 64 buckets of wash. Will not remove wax.
