

Hero image 0 of MaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon, 0 of 3
MaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon
Key item features
- Works instantly to remove the toughest waterline stains, algae stains, rust, and gas exhaust stains
- Use on fiberglass only
- Will not harm gel coat
- Size: 1 Gallon
- MK20128
- New
Specs
- Boat accessory typeCleaners
- BrandMarykate
- MaterialPlastic
- Size1 gal
- ColorWhite
- Has written warrantyNo
Current price is USD$53.99
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Fri, Feb 6
|Sold and shipped by MarineEngineParts
4.583333333333333 stars out of 5, based on 12 seller reviews(4.6)12 seller reviews
Free 30-day returns
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About this item
Product details
MaryKate On & Off Hull and Bottom Cleaner works instantly to remove the toughest waterline stains, algae stains, rust, and gas exhaust stains. Use on fiberglass only. Will not harm gel coat.
- Works instantly to remove the toughest waterline stains, algae stains, rust, and gas exhaust stains
- Use on fiberglass only
- Will not harm gel coat
- Size: 1 Gallon
- MK20128
- New
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Warranty
Warranty information
1 Year
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warranty url
Warnings
State Chemical Disclosure
None
Compare with similar items
| Product | Viewing this itemMaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon ![]() $53.99 current price $53.9965 out of 5 Stars. 6 reviews | MaryKate MK2032 On and Off Hull and Bottom Cleaner for Fiberglass ![]() $28.49 current price $28.49145 out of 5 Stars. 14 reviews | MK20128 On & Off Hull & Bottom Cleaner, 1 Gal ![]() $59.88 current price $59.88 | MK20128 On and Off Boat Hull & Bottom Cleaner Remover, 1 gal ![]() $59.04 current price $59.04 | Sudbury 20128 All-Off Hull and Bottom Cleaner - 1 Gallon ![]() Now $36.99 current price Now $36.99, Was $43.10$43.10 | MaryKate On & Off Gel Hull & Bottom Cleaner, 32 Fl Oz, MK3532 ![]() $23.29 current price $23.2955 out of 5 Stars. 5 reviews |
|---|
| Boat accessory type | CleanersMaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon | CleanersMaryKate MK2032 On and Off Hull and Bottom Cleaner for Fiberglass | Hull & Bottom CleanerMK20128 On & Off Hull & Bottom Cleaner, 1 Gal | Hull & Bottom CleanerMK20128 On and Off Boat Hull & Bottom Cleaner Remover, 1 gal | -Sudbury 20128 All-Off Hull and Bottom Cleaner - 1 Gallon | Hull CleanerMaryKate On & Off Gel Hull & Bottom Cleaner, 32 Fl Oz, MK3532 | Boat CleanerCRC Pontoon Cleaner - MK31128 |
|---|---|---|---|---|---|---|---|
| Material | PlasticMaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon | PlasticMaryKate MK2032 On and Off Hull and Bottom Cleaner for Fiberglass | FiberglassMK20128 On & Off Hull & Bottom Cleaner, 1 Gal | FiberglassMK20128 On and Off Boat Hull & Bottom Cleaner Remover, 1 gal | As SpecifiedSudbury 20128 All-Off Hull and Bottom Cleaner - 1 Gallon | Water BasedMaryKate On & Off Gel Hull & Bottom Cleaner, 32 Fl Oz, MK3532 | AluminumCRC Pontoon Cleaner - MK31128 |
| Size | 1 galMaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon | 32 ozMaryKate MK2032 On and Off Hull and Bottom Cleaner for Fiberglass | 1 galMK20128 On & Off Hull & Bottom Cleaner, 1 Gal | ‎13 x 13 x 13 inches;1 galMK20128 On and Off Boat Hull & Bottom Cleaner Remover, 1 gal | 1 galSudbury 20128 All-Off Hull and Bottom Cleaner - 1 Gallon | 1-QuartMaryKate On & Off Gel Hull & Bottom Cleaner, 32 Fl Oz, MK3532 | 4 Count Pack of 1CRC Pontoon Cleaner - MK31128 |
| Color | WhiteMaryKate MK20128 On & Off Hull and Bottom Cleaner - Gallon | RedMaryKate MK2032 On and Off Hull and Bottom Cleaner for Fiberglass | -MK20128 On & Off Hull & Bottom Cleaner, 1 Gal | WhiteMK20128 On and Off Boat Hull & Bottom Cleaner Remover, 1 gal | -Sudbury 20128 All-Off Hull and Bottom Cleaner - 1 Gallon | MultiColorMaryKate On & Off Gel Hull & Bottom Cleaner, 32 Fl Oz, MK3532 | whiteCRC Pontoon Cleaner - MK31128 |
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Customer ratings & reviews
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Showing 1-3 of 5 reviews
Jan 2, 2026
James
Item details
Sold and shipped byMarineEnginePartsMultipack quantity: 1
5 out of 5 stars review
Verified Purchase
best bottom cleaner
Best bottom cleaner on the market but you should wear a face mask as the fumes are strong
Helpful?4PVHVLV3AW9334054116
Nov 15, 2025
Kardin
Item details
Sold and shipped byMarineEnginePartsMultipack quantity: 1
5 out of 5 stars review
Verified Purchase
Well pack. on time. will do business again. competitive price.
Helpful?4PVHVLV3AW9334054116
Aug 30, 2025
WalmartCustomer
Item details
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
It was available and at a good price
Incentivized Review
Helpful?4PVHVLV3AW9334054116
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