The Best Boat Hull Cleaners for 2022

Nicholas Swartz
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A boat hull can be subjected to a lot of weather. Things like salt water, dust, and oxidation can build up on the surface of a hull. It is important to clean your hull regularly to help keep it from corroding.

A lot of hull cleaners are on the market that look different and are made of different materials. It can be difficult to find the best hull cleaner that will clean your hulls without damaging them.

Below you will also get some tips on how to clean your hull.

NameCategoryProduct
MaryKate MK2032 Marykate On & Off Hull & BottomBest OverallMaryKate MK2032 Marykate On & Off Hull & Bottom
MaryKate AluminexBudget PickMaryKate Aluminex
BooYah Clean Boat Cleaning Gallon DuoUpgrade PickBooYah Clean Boat Cleaning Gallon Duo

1. MaryKate MK2032 Marykate On & Off Hull & Bottom

Our rating: 9 / 10

MaryKate MK2032 Marykate On & Off Hull & Bottom

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Pros:

  • Works well on all sizes of boats
  • Cleans boat bottom and hull easily
  • You can use it either in the water or on shore
  • Works well on fiberglass, wood, metal, and even aluminum boats.

Cons:

  • The smell can be too cleaning product-ish to some people.

The MaryKate MK2032 Marykate On & Off Hull & Bottom is the god-send of boaters as it makes it easier to clean your boat. It’s really easy to use and does a lovely job of cleaning. If you have a boat, check this out before doing your own hulk cleaning project.

2. Better Boat Hull Cleaner

Our rating: 9 / 10

Better Boat Hull Cleaner

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Pros:

  • Easy to use
  • Quickly and easily removes algae, dirt, grass, and salt stains
  • Cleans fiberglass, gelcoat, and painted boats
  • Removes barnacles
  • Neutral ph formula

Better Boat hull cleaner is a great cleaner for your boat hull. This cleaner comes in a variety of different sizes from 1 to 32 ounces. It’s effective in removing dirt, algae, paint, and rust from all types of boats.

Better Boat Hull Cleaner takes off any dirt, rust, or paint buildup. This cleaner is unlike other hull cleaners, it contains no acids. It is also safe on fiberglass, painted, gelcoat, and other surfaces.

Better Boat Hull Cleaner can be used inside and outside the rim, bottom and other areas of your boat. It will remove grease, oil, dirt and even barnacles.

3. Star Brite Instant Hull Cleaner

Our rating: 9 / 10

Star Brite Instant Hull Cleaner

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Pros:

  • Works great on a wide range of boat types
  • Completely safe nontoxic formula

Cons:

  • Need to reapply it frequently
  • Works only on the surface of the boat hull

In A Flash!

The best way to ensure the longevity of your boat hull is to clean it on a regular basis. One of the most time consuming parts of cleaning your boat is scrubbing off the scum that accumulates on the bottoms of your boat hulls.

Historically, an underwater hull scrubber or part of a suction hose for washing cars has been the go-to option. These methods are not effective in removing the scum and are extremely hard on your back.

4. STAR BRITE EZ-ON EZ-Off Hull & Bottom Cleaner

Our rating: 8 / 10

STAR BRITE EZ-ON EZ-Off Hull & Bottom Cleaner

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Pros:

  • Saves a lot of time
  • Magnets are powerful
  • Low-maintenance
  • Good for multiple hulls and bottoms
  • Easy to use
  • Great value for the money
  • Can change the speed
  • Will not scratch your boat

33-Pound.

The STAR BRITE EZ-ON EZ-Off Hull & Bottom Cleaner comes in a 33-pound canister. It can be used on aluminum, fiberglass, steel, and other types of boat hulls and bottoms.

It’s a concentrated formula that you simply mix with water before applying it directly onto the area you’re cleaning. You will get a fully-promoted bead of foam that cuts through dirt and grime while blasting away bio-fouling such as algae, mussels, barnacles, and more.

5. Sudbury 2032 All-Off Hull and Bottom Cleaner

Our rating: 8 / 10

Sudbury 2032 All-Off Hull and Bottom Cleaner

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Pros:

  • Removes contaminants from the hull and bottom
  • Very easy to use
  • Makes the bottom look like new
  • Directions are easy to follow
  • Cheap

If you are looking for a cheap solution to cleaning your boat hull and bottom, this is the solution for you. The 32 ounce solution can be purchased for less than 10 dollars plus you can dilute it more and use the solution for up to eight months.

The manufacturer recommends that you use the cleaner to clean the bottom and parting first, then to the hull with a long-handled brush. This will remove pollutants that may be in the bottom and will make the bottom look like new. It’s also said to remove the “flash rust” caused by chlorides and other pollutants that wilt the steel.

This was a long review and some might even find reading through the content difficult. However, we have ensured that we went through the features of these products. Our reviews are up to date and have been written based on our personal experience as well as the feedback from other users. This should give our readers an idea about these products.

6. MaryKate ON & Off Gel Hull/Bottom CLNR QT

Our rating: 8 / 10

MaryKate ON & Off Gel Hull/Bottom CLNR QT

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Pros:

  • Ideal for boats that have only been in the water one or two times
  • It’s a very easy to use and apply
  • Does an okay job at cleaning
  • Very affordable
  • Good for use in a large boat

Cons:

  • Doesn’t work very well at all on really dirty boats
  • Doesn’t work very well on boats that haven’t been cleaned in a long time
  • The gel isn’t very easy to apply hard to get a good coat of gel on your boat unless you apply quite a lot

Mary-Kate ON & Off Gel Hull/Bottom CLNR QT with 1-Quart is a great cleaning gel for use when you’re preparing your boat for storage.

While it’s not the best option to clean your boat, it’s great to use right after storing your boat for the winter.

This product is a gel, which is great for applying to hard to reach areas on a boat.

7. MaryKate Aluminex

Our rating: 8 / 10

MaryKate Aluminex

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Pros:

  • Easy to use and works very quickly
  • Cleans almost any type of boat hull
  • Nontoxic formula that won’t harm you or the environment
  • Contains a patented formula that will not scratch or etch the finish of your fiberglass or vinyl boat
  • Extremely versatile can be used on many different types of boats

Cons:

  • One customer complained the product didn’t work
  • Most customers reported that the product didn’t work
  • One customer complained the product didn’t work

MaryKate® Aluminex® is a high-performance, low-pressure cleaner that works on fiberglass, aluminum, steel, brass and plastic. It contains a unique patented formula that dissolves dirt and grime without etching or harming your boat’s finish. It works on all fiberglass and aluminum pontoon boats and trailers as well as other types of boats such as yachts, trawlers, cabin cruisers, catamarans, paddleboats, cabin cruisers, johnboats, rowboats, dinghys, canoes and kayaks.

How to use MaryKate Aluminex® on your boat:

Spray boat with mild liquid detergent and rinse with fresh water.

8. BooYah Clean Boat Cleaning Gallon Duo

Our rating: 8 / 10

BooYah Clean Boat Cleaning Gallon Duo

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Pros:

  • Available as a gallon or 2 containers pack
  • Works for all types of boats and vehicles
  • Source of easy-to-use and effective cleaner that’s biodegradable and safe for use
  • Costs less than other cleaning products
  • Contains a bottle of cleaner and a bottle of protectant
  • Protects surfaces from the sun and extends the life of your boat
  • Free of harmful substances
  • The cleaner doesn’t leave streaks

The BooYah Boat Cleaning Duo Pack is a cost effective way to keep your boat clean and protected from the sun.

This product comes with an exact mixture of the boat cleaning formula and the boat protectant formula.

You simply need to clean the boat with the first formula, and then apply the protectant to prevent the boat from sun damage.

9. Slimy Grimy Granular

Our rating: 8 / 10

Slimy Grimy Granular

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Pros:

  • * Fast dissolving action *