The 6 Best Boat Hull Cleaners

Paul Stockdale Author Avatar
Reviewed by Paul Stockdale | April 27, 2023
Best Boat Hull Cleaners

A boat hull cleaner is a specialized cleaning solution used to remove dirt, grime, stains, and other buildup on the hull of a boat.

A great boat hull cleaner will remove scum lines, dirt, sludge, mildew, grime, stains, barnacles, salt deposits and grease. It will also help prevent corrosion on the vessel's hull.

To clean, maintain and improve the aesthetics of a boat hull, boat owners need a top hull cleaner.

The 6 best boat hull cleaners are below.

  1. Best Overall Hull Cleaner: Star Brite Instant Hull Cleaner
  2. Best Value For Money Hull Cleaner: Star Brite EZ-ON EZ-Off Boat Hull & Bottom Cleaner
  3. Best For Fiberglass Hull: Bio-Kleen Fiberglass Acid Hull Cleaner
  4. Best For Removing Hull Stains: Better Boat Hull Cleaner
  5. Best For Aluminum Hull: Star Brite Ultimate Aluminum Cleaner
  6. Best Environment-Friendly Hull Cleaner: Star Brite Sea Safe Boat Wash

These hull cleaners are some of the top products used for cleaning a boat's hull. Below are the best boat hull cleaners reviews.

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission.

1. Star Brite Instant Hull Cleaner

Best Overall Boat Hull Cleaner

The best overall hull cleaner is the Star Brite Instant Hull Cleaner by the boat cleaning brand Star Brite. We rate this hull cleaner 4.9/5 stars. The Star Brite Instant Hull Cleaner is a great boat cleaning product to use.

Star Brite Instant Hull Cleaner is manufactured by the brand Star Brite in America and sold worldwide. It comes in 2 sizes which are a 32-ounce container and a 1-gallon container.

The largest 1-gallon Star Brite Instant Hull Cleaner will cover a boat hull surface area of up to 700 sq. feet before it will be empty.

Most retailers price this hull cleaner between $20 and $50.

The Star Brite Instant Hull Cleaner is in a liquid form. The liquid color is a clear, see-through white color similar to the color of water. There is a sweet odor from the liquid of this cleaner.

The Star Brite Instant Hull Cleaner is used on fiberglass, metal, painted, and gel coat hull surfaces. It is not used on wooden hull surfaces as it can damage the wood.

The Star Brite Instant Hull Cleaner cleans boat hulls with stains, scum lines, rust, fish blood, sludge, or marine growth.

Once this hull cleaner is applied to a boat hull surface, it will start to work within 10 seconds of application. It will keep a shine on the boat's hull surface for up to 3 months (assuming the boat is not used in dirty waters).

The ingredients of the Star Brite Instant Hull Cleaner include water, oxalic acid, 2-butoxyethanol, alcohols, C9-11, and ethoxylated. The ingredients not in the Star Brite Instant Hull Cleaner are hydrochloric acid and phosphoric acid which are more harmful substances. The pH level of this hull cleaner is 1.5.

The ideal operating air temperature range of the Star Brite Instant Hull Cleaner is between 50°F (10°C) and 95°F (35°C). This means that when the air temperature is within that range, the hull cleaner offers optimal cleaning results. Do not use this cleaner when the air temperature is above 95°F (35°C) as it will be less effective in cleaning the hull surface.

The Star Brite Instant Hull Cleaner has had zero safety recalls since it was first introduced.

The 4 pros of the Star Brite Instant Hull Cleaner are:

  • Removes scum lines, sludge, water & rust stains: The cleaning agent will instantly remove dirt and scum from the boat's hull surface
  • Great marine-grade oxalic acid: This user-friendly marine-grade formula is better at removing dirt than a more harsh hydrochloric acid and phosphoric acid formula
  • Leaves a polished-looking finish: This hull cleaner leaves a polished-looking finish to the hull
  • Great price: Most retailers stock the Star Brite Instant Hull Cleaner for under $50

The 2 cons of the Star Brite Instant Hull Cleaner are:

  • Can damage certain surfaces: Star Brite Instant Hull Cleaner is a powerful acid-based cleaner that can damage certain surfaces such as wooden surfaces
  • Requires careful handling: As an acid-based cleaner, Star Brite Instant Hull Cleaner can be hazardous if not handled properly. Users should wear protective gloves and eye protection when using the product and should follow all safety instructions on the label

To use the Star Brite Instant Hull Cleaner on a boat's hull:

  1. Pour the cleaner liquid onto a sponge
  2. Use the sponge and wipe the cleaner into the dirty hull surface
  3. Continue scrubbing until the dirt and stains are fully removed (usually within 2 minutes)
  4. Rinse it off using a hose or pressure washer

Star Brite Instant Hull Cleaner on Amazon →

Star Brite Instant Hull Cleaner on Walmart →

2. Star Brite EZ-ON EZ-Off Boat Hull & Bottom Cleaner

Best Boat Hull Cleaner For The Price

The best hull cleaner for the price is the Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner. Most retailers price this hull cleaner between $20 and $40. This price applies to containers up to 1 gallon. We rate this hull cleaner 4.8/5 stars.

Star Brite EZ-ON EZ-Off Boat Hull & Bottom Cleaner is manufactured by the brand Star Brite in America and sold worldwide. It comes in 3 sizes which are a 32-ounce container, a 1-gallon container, and a 55-gallon container.

The 1-gallon Star Brite EZ-ON EZ-Off Boat Hull & Bottom Cleaner will cover a boat hull surface area of up to 800 sq. feet before it will be empty.

The majority of boat owners will purchase the 1-gallon container as this is the best value for money with a 1-gallon container of this hull cleaner costing between $30 to $40 while the 32-ounce container costs $20 to $30.

The Star Brite IEZ-ON EZ-Off Boat Hull & Bottom Cleaner is in a liquid form. The liquid color is amber. There is a sweet odor from this liquid.

The Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner is used on surfaces including fiberglass, rubber, metals, aluminum, and painted surfaces. It is not used on wooden hull surfaces.

The Star Brite EZ-ON-EZ-OFF Hull & Bottom Cleaner cleans boat hulls with stains, dirt, sludge, grime, marine deposits, algae & seaweed stains, and general dirt.

Once this hull cleaner is applied to a boat's hull surface, it will start to work within 2 minutes of application. An indication that the product is working is when the liquid starts to foam on the surface.

This hull cleaner will keep a shine on the boat's hull surface for up to 3 months (assuming the boat is not used in dirty waters).

The ingredients of the Star Brite EZ-ON-EZ-OFF Hull & Bottom Cleaner include water, hydrochloric acid, ethanedioic acid, dehydrate, dibutyl thiourea, isopropyl alcohol, and diethylthiourea. The pH level of this hull cleaner is 1.25.

The ideal operating air temperature range of the Star Brite EZ-ON-EZ-OFF Hull & Bottom Cleaner is between 40°F (4°C) and 100°F (37.7°C). This means that when the air temperature is within that range, the hull cleaner offers optimal cleaning results. Do not use this cleaner when the air temperature is above 100°F (37.7°C) or below 40°F (4°C) as it will be less effective in cleaning the hull surface in this air temperature range.

The Star Brite EZ-ON-EZ-OFF Hull & Bottom Cleaner has had zero safety recalls since it was first introduced.

The 4 pros of the Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner are:

  • Removes tough dirt: This hull cleaner will help to remove dirt, stains, and waterlines from the boat bottom and boat hull area
  • Removes rust stains: This hull cleaner will help to remove rust stains that can form on the hull surface
  • Fast-acting: This product is designed to work quickly within 2 minutes, making it ideal for boat owners who want to clean their boat's hull quickly and efficiently
  • Economical: The product is sold in large containers including 1-gallon and 55-gallon containers making it a cost-effective solution for boat owners who need to clean the boat's hull regularly

The 2 cons of the Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner are:

  • Harsh formula: The harsh formula with hydrochloric acid means that this cleaner is toxic to aquatic life and it should not be used in seawater as it will harm the environment
  • Causes burns to skin: If this product gets onto the skin, it will cause a burn sensation or irritation

To use the Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner:

  1. Remove large dirt from the hull first using a bristle brush>
  2. Let the hull surface dry out
  3. Apply the cleaner to a sponge and wipe it onto a dry hull surface
  4. Scrub the dirty hull surface with a bristle brush (it should start to foam which indicates that the cleaner is removing the dirt deposits)
  5. Continually reapply the cleaner product to maintain the foaming until the hull is clean
  6. After 5 minutes of scrubbing, the hull surface should be clean

EZ-ON EZ-OFF Hull & Bottom Cleaner on Amazon →

EZ-ON EZ-OFF Hull & Bottom Cleaner on Walmart →

3. Bio-Kleen Fiberglass Hull Cleaner

Best Boat Hull Cleaner For Fiberglass

The best hull cleaner for a fiberglass hull is the Bio-Kleen Fiberglass Hull Cleaner. We rate this hull cleaner 4.7/5 stars.

The Bio-Kleen Fiberglass Hull Cleaner is manufactured by the brand Bio-Kleen in America and sold worldwide. It comes in 3 sizes which are a 32-ounce container, a 1-gallon container, and a 5-gallon container.

The 5-gallon Bio-Kleen Fiberglass Hull Cleaner will cover a boat hull surface area of up to 3,000 sq. feet before it will be empty. A 1-gallon container covers 600 sq. feet of boat hull surface before it is empty.

Most retailers price the Bio-Kleen Fiberglass Hull Cleaner between $20 and $100.

The Bio-Kleen Fiberglass Hull Cleaner is in a liquid form. The liquid color is a clear white similar to the color of water. There is a mint odor from this liquid.

The Bio-Kleen Fiberglass Hull Cleaner is mainly used on fiberglass hull surfaces but it is also used on aluminum, metals, rubbers, gel coat, wooden, and painted surfaces. It is not used on glass or plastic surfaces.

The Bio-Kleen Fiberglass Hull Cleaner cleans boat hulls with dirt, grime, oil, grease, stains, and rust.

Once this hull cleaner is applied to a boat hull surface, it will start to work within 5 minutes of application. It will keep a shine on the boat's hull surface for up to 1 month (assuming the boat is not used in dirty waters).

The ingredients of the Bio-Kleen Fiberglass Hull Cleaner include deionized water, aromatic compounds, hydrochloric acid, emulsion surfactants, alcohol, and buffering agents. There are no California Proposition 65 listed chemicals present in this hull cleaner's ingredients. The pH level of this hull cleaner is 1.

The ideal operating air temperature range of the Bio-Kleen Fiberglass Hull Cleaner is between 50°F (10°C) and 89.6°F (32°C). This means that when the air temperature is within that range, the hull cleaner offers optimal cleaning results. Do not use this cleaner when the air temperature is above 89.6°F (32°C) as it will be less effective in cleaning the hull surface. This hull cleaner will freeze in temperatures of 32°F (0°C) or lower.

The Bio-Kleen Fiberglass Hull Cleaner has had zero safety recalls since it was first introduced.

The 3 pros of the Bio-Kleen Fiberglass Hull Cleaner are:

  • Restores fiberglass to its original shine: Bio-Kleen Fiberglass Hull Cleaner is designed to not only clean the surface but also restore the original shine and luster of the fiberglass. This helps to maintain the appearance of the boat hull and protect it against future staining and discoloration for up to 1 month
  • Removes dirt, sludge, algae, mildew & stains: This cleaner will help remove dirt from the hull. It will leave the hull clean and shiny
  • Doesn't damage coating: Any protective coating on the fiberglass hull will remain intact with this cleaner

The 2 cons of the Bio-Kleen Fiberglass Hull Cleaner are:

  • Requires multiple applications on dirty hulls: While this product is designed to dissolve and remove tough stains and buildup, it will require 3 - 5 applications for heavily stained and dirty areas. This can increase the amount of time and effort required to clean the surface
  • Requires protective equipment: While this product is biodegradable and non-toxic, it requires the use of protective gloves and eyewear during use. This is because it contains surfactants that can be irritating to the skin and eyes

To use the Bio-Kleen Fiberglass Hull Cleaner:

  1. Use a spray nozzle to spray onto the dirty area of the hull
  2. Let the cleaner sit on the dirty hull surface for 5 minutes
  3. Use a bristle brush to scrub the dirty hull area
  4. Rinse with a pressure washer or hose with water

Bio-Kleen Fiberglass Hull Cleaner on Amazon →

Bio-Kleen Fiberglass Hull Cleaner on Walmart →

4. Better Boat Instant Hull Cleaner

Best Boat Hull Cleaner For Stains

The best boat hull cleaner for removing stains and rust is the Better Boat Instant Hull Cleaner. We rate this hull cleaner 4.6/5 stars.

The Better Boat Instant Hull Cleaner is manufactured by the brand Better Boat in America and sold worldwide. It comes in 2 sizes which are a 32-ounce container and a 1-gallon container.

The 1-gallon Better Boat Instant Hull Cleaner container will cover a boat hull surface area of 800 sq. feet before it is empty.

Most retailers price the Better Boat Instant Hull Cleaner between $25 and $60.

The Better Boat Instant Hull Cleaner is in liquid form. The liquid color of this cleaner is a clear white similar to the color of water. There is a neutral odor from this liquid with no dominant scent.

The Better Boat Instant Hull Cleaner is used on hull surfaces including fiberglass, gel coat, aluminum, painted, rubber, and metal surfaces. It is not used on wooden surfaces.

The Better Boat Instant Hull Cleaner cleans grease, oil, rust, stains, and dirt from the hull.

Once this hull cleaner is applied to a boat hull surface, it will start to work within 1 minute of application. It will keep a shine on the boat's hull surface for up to 2 months (assuming the boat is not used in dirty waters).

The ingredients of the Better Boat Instant Hull Cleaner include water, oxalic acid, ethylene glycol monobutyl ether, and hydrochloric acid. The pH level of this hull cleaner is 1.7.

The ideal operating air temperature range of the Better Boat Instant Hull Cleaner is between 50°F (10°C) and 90°F (32.2°C). This means that when the air temperature is within that range, the hull cleaner offers optimal cleaning results. Do not use this cleaner when the air temperature is above 90°F (32.2°C) as it will be less effective in cleaning the hull surface. This hull cleaner will freeze in temperatures of 32°F (0°C) or lower.

The Better Boat Instant Hull Cleaner has had zero safety recalls since it was first introduced.

The 4 pros of the Better Boat Instant Hull Cleaner are:

  • Suitable for multiple surfaces: The cleaner can be used on multiple hull surfaces without causing any damage
  • It is fast acting: This hull cleaner will act fast within 1 minute of application
  • Removes dirty stains and rust: It can easily dissolve scum and remove the toughest stains and rust from the hull in seconds
  • Adds a protective coating to the hull: The formula used in the cleaner helps add a protective coating to the hull paint and material

The 2 cons of the Better Boat Instant Hull Cleaner are:

  • Corrosive: The Better Boat Instant Hull Cleaner is a strong acid-based formula that can be corrosive to some surfaces. If used improperly or on sensitive materials, it can cause damage or discoloration
  • Safety concerns: As with any chemical cleaning product, there are potential safety concerns associated with using the Better Boat Instant Hull Cleaner. Users should take care to follow all instructions and precautions, including wearing protective gear and avoiding contact with skin or eyes

To use the Better Boat Instant Hull Cleaner:

  1. Shake the product well
  2. Pour the liquid directly onto the dirty area of the hull
  3. Let it sit for 1 minute
  4. Clean it with a soft bristle brush and freshwater
  5. Repeat if necessary

Better Boat Instant Hull Cleaner on Amazon →

Better Boat Instant Hull Cleaner on Better Boat →

5. Star Brite Ultimate Aluminum Cleaner

Best Boat Hull Cleaner For Aluminum

The best cleaner for an aluminum hull is the Star Brite Ultimate Aluminum Cleaner. We rate this hull cleaner 4.4/5 stars.

The Star Brite Ultimate Aluminum Cleaner is manufactured by the brand Star Brite in America and sold worldwide. It comes in 1 size which is a 64-ounce container.

The Star Brite Ultimate Aluminum Cleaner covers a boat hull surface area of 500 sq. feet before it is empty.

Most retailers price the Star Brite Ultimate Aluminum Cleaner between $25 and $35.

The Star Brite Ultimate Aluminum Cleaner is in liquid form. The liquid color of this liquid is a clear white similar to the color of water. There is a lemon odor from this liquid.

The Star Brite Ultimate Aluminum Cleaner is used on unpainted aluminum surfaces. it is not used on fiberglass, gel coat, painted, wooden, rubber, or plastic surfaces.

The Star Brite Ultimate Aluminum Cleaner cleans boat hulls with dirt, grime, oil, grease, stains, and rust and removes oxidation and lime deposits from aluminum hull surfaces.

Once this hull cleaner is applied to a boat hull surface, it will start to work within 3 minutes of application. It will keep a shine on the boat's hull surface for up to 2 months (assuming the boat is not used in dirty waters).

The ingredients of the Star Brite Ultimate Aluminum Cleaner include organic acid salt, urea, tetrafluoroborate, sulfuric acid and surfactant blend. The pH level of this hull cleaner is 1.

The ideal operating air temperature range of the Star Brite Ultimate Aluminum Cleaner is between 55°F (12.8°C) and 90°F (32.2°C). This means that when the air temperature is within that range, the hull cleaner offers optimal cleaning results. Do not use this cleaner when the air temperature is above 90°F (32.2°C) as it will be less effective in cleaning the hull surface. This hull cleaner will freeze in temperatures of 32°F (0°C) or lower.

The Star Brite Ultimate Aluminum Cleaner has had zero recalls by the Star Brite brand since it was first introduced.

The 3 pros of the Star Brite Ultimate Aluminum Cleaner are:

  • Removes gum, varnish, water stains, and dirt: This cleaning product will remove dirt, oxidation, and sludge from the aluminum hull and have it look clean and like new
  • Adds a shine to dull aluminum: The biodegradable formula is specially designed to add an extra shine to the aluminum hulls
  • It comes with a helpful spray nozzle: The cleaner comes with a spray nozzle which makes it easy to apply the product to the hull surface

The 2 cons of the Star Brite Ultimate Aluminum Cleaner are:

  • Only used on 1 hull surface: This hull cleaner can only be used on aluminum surfaces and it can't be used on other types of hull surfaces
  • Causes discoloration on other boat surfaces: This hull cleaner will cause discoloration if it touches other boat surfaces which is a risk to be aware of

To use the Star Brite Aluminum Cleaner:

  1. Start cleaning from the bottom up on the hull to avoid drip marks
  2. Spray the cleaner onto the dirty aluminum hull area and scrub with a brush
  3. Let it sit on the surface for 5 minutes
  4. Rinse with fresh water

Ultimate Aluminum Cleaner on Amazon →

Ultimate Aluminum Cleaner on Walmart →

6. Star Brite Sea Safe Boat Wash

Best Eco Friendly Boat Hull Cleaner

The top hull cleaner that is environmentally friendly is the Star Brite Sea Safe Boat Wash. We rate this cleaner 4.1/5 stars.

The Star Brite Sea Safe Boat Wash is manufactured by the brand Star Brite in America and sold worldwide. It comes in 1 size which is a 32-ounce container.

The Star Brite Sea Safe Boat Wash will cover a boat hull surface of 500 sq. feet before it will be empty. 3 capfuls mixed in a bucket of water cleans a 21-foot boat.

Most retailers price the Star Brite Sea Safe Boat Wash between $20 to $45.

The Star Brite Sea Safe Boat Wash is in liquid form. The liquid color is blue. There is a blueberry odor from the liquid of this cleaner.

The Star Brite Sea Safe Boat Wash is used on vinyl, plastic, metal, glass, gel coat, fiberglass, wood, rubber, and painted surfaces. It is safe to use on every boat surface with no restrictions.

This hull cleaner will clean hulls with stains, deposits, scuff marks, rust, sludge, and general dirt.

Once the Star Brite Sea Safe Boat Wash is applied to the boat hull surface, it will start to work within 2 minutes of application. It will keep a shine on the boat's hull surface for 2 months before it will need to be reapplied.

The ingredients of the Star Brite Sea Safe Boat Wash include water, sodium lauryl sulfate, fatty acids, C8-18 and C18-unsaturated, compounds with diisopropanolamine, sodium laurylether sulphate, poly(oxy-1,2-ethanediyl), dodecyloxy, sodium salt, 1-propanaminium, 3-amino-N-(carboxymethyl), N-Ndimethyl, N-coco acyl derivatives, hydroxides, inner salts, glycerol, ethanol, benzoisothiazol, geraniol, methyl anthranilate, oxiranecarboxylic acid, direct blue colorant, ammonium chloride, and sodium lauryl sulfate. The pH level of this hull cleaner is 6.5.

The ideal operating air temperature range of the tar Brite Sea Safe Boat Wash is between 45°F (7.2°C) and 100°F (37.77°C). This means that when the air temperature is within that range, the hull cleaner offers optimal cleaning results. Do not use this cleaner when the air temperature is above 100°F (37.77°C) or below 45°F (7.2°C) as it will be less effective in cleaning the hull surface.

The Star Brite Sea Safe Boat Wash has had zero safety recalls since it was first introduced.

The 3 pros of using the Star Brite Sea Safe Boat Wash are:

  • It's environmentally friendly: The biodegradable, phosphate-free, and pH level 6.5 formula is friendly to the environment and safe to use. It has no harsh chemicals and can be used in seawater
  • Removes grease, dirt, stains, and sludge: This cleaner will help instantly remove all the dirt from the boat's hull
  • Can be used over the entire boat: The cleaner can be used all over the boat and not just the hull and it can be used on all boat surface types
  • Great scent: This cleaner has a beautiful blueberry scent

The 2 cons of the Star Brite Sea Safe Boat Wash are:

  • Only comes in 1 size container: This hull cleaner only comes in a 32-ounce container with no option to choose other sizes
  • Only covers 500 sq. feet: This hull cleaner only cleans up to 500 sq. feet of hull surface before it will need to be replaced with a new container

To use the Star Brite Sea Safe Boat Wash:

  1. Pour 3 capfuls of the product into a bucket with water and mix it
  2. Dip a sponge or deck brush into the soapy bucket and scrub the hull with it
  3. Rinse the hull with a pressure washer or hose with fresh water
  4. Dry it off with a towel

Safe Boat Wash on Amazon →

Sea Safe Boat Wash on Walmart →

Best Boat Hull Cleaners Comparison Table

Our Rating Hull Cleaner Brand Best For Shine Duration Price Range
4.9/5 Star Brite Instant Hull Cleaner Remove oxidation, leaving a polished look, long lasting shine 3 months $20 - $50
4.8/5 Star Brite EZ-ON EZ-Off Great price, fast acting 3 months $20 - $40
4.7/5 Bio-Kleen Fiberglass Acid Hull Cleaner Removing tough dirt from fiberglass, doesn't damage coating 1 month $20 - $100
4.6/5 Better Boat Instant Hull Cleaner Removing rust, works on multiple surfaces 2 months $25 - $60
4.4/5 Star Brite Ultimate Aluminum Cleaner Shining aluminum hulls, easy application 2 months $25 - $35
4.1/5 Star Brite Sea Safe Boat Wash Eco-friendly formula, works on multiple surfaces, great blueberry scent 2 months $20 - $45

Factors To Consider When Buying A Top Boat Hull Cleaner

The 9 factors to consider when buying a hull cleaner are:

  • Ease Of Use: The ease of use of a hull cleaner is another important factor to consider. Choose a cleaner that is easy to apply and requires minimal scrubbing or effort to achieve results. Some hull cleaners are designed to be sprayed on and rinsed off while others require a more intensive cleaning process
  • Cost: The cost of a hull cleaner is an important factor to consider. While cheaper cleaners may seem like a good deal, they may not be as effective as more expensive options. However, you don't necessarily need to spend a lot of money to get a good hull cleaner. Most top hull cleaners are priced between $20 and $100. Look for a product that offers a good balance of effectiveness, ease of use, and cost
  • Type Of Hull: The type of hull material of your boat is an important factor to consider when choosing a hull cleaner. Different hull materials such as fiberglass, aluminum, and wood, have different cleaning requirements and may react differently to different cleaners. Be sure to choose a cleaner that is safe for your boat's specific hull material
  • Environmental Impact: Consider the environmental impact of the hull cleaner you choose. Look for a cleaner that is biodegradable and environmentally friendly. Avoid harsh chemicals that can harm marine life and damage the environment
  • pH Level: The pH level of a hull cleaner is important to consider. A cleaner with a high pH level can be too harsh for some hull materials and can cause damage to the finish of the boat. Look for a cleaner with a neutral pH level or a pH level that is safe for your boat's specific hull material
  • Storage and Shelf Life: Consider the storage requirements and shelf life of the hull cleaner you choose. Look for a product that is easy to store and has a long shelf life over 1 year so that you can use it over multiple boating seasons
  • Compatibility: Consider the compatibility of the hull cleaner with other products you may be using on your boat, such as wax or polish. Some cleaners may not be compatible with other products, which can cause damage to the boat's finish
  • Size and Quantity: Consider the size and quantity of the hull cleaner you need. A larger boat will require more cleaner so be sure to choose a product that is available in a size and quantity that will meet your needs
  • Application Method: Consider the application method of the hull cleaner you choose. Some cleaners may require a spray bottle, while others may come in a paste or gel form that requires manual application. Choose a product that is easy to apply and fits your preferred application method

Frequently Asked Questions

Below are the 14 most commonly asked questions about boat hull cleaners.

What Are The Best Boat Hull Cleaner Brands?

The 3 best boat hull cleaner brands are:

  • Star Brite
  • Better Boat
  • Bio-Kleen

What Is The Most Expensive Top Boat Hull Cleaner?

The most expensive top boat hull cleaner is the Bio-Kleen Fiberglass Acid Hull Cleaner which costs between $20 and $100.

What Is The Cheapest Top Boat Hull Cleaner?

The cheapest top boat hull cleaner is the Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner which costs between $20 and $40.

How Much Do Top Boat Hull Cleaners Cost?

Top boat hull cleaners cost between $20 and $100.

What Top Boat Hull Cleaner Has The Longest Lasting Shine?

The top boat hull cleaners with the longest lasting shine are the Star Brite Instant Hull Cleaner and the Star Brite EZ-ON EZ-OFF with a shine duration of 3 months.

What Top Boat Hull Cleaner Has The Shortest Lasting Shine?

The top boat hull cleaner with the shortest lasting shine is the Bio-Kleen Fiberglass Acid Hull Cleaner with a shine duration of 1 month.

What Top Boat Hull Cleaner Is The Fastest Acting?

The Star Brite Instant Hull Cleaner is the fastest acting hull cleaner as it starts to act within 10 seconds of application.

What Top Boat Hull Cleaner Is The Slowest Acting?

The Bio-Kleen Fiberglass Hull Cleaner is the slowest acting hull cleaner as it takes 5 minutes to act after it is a applied to the surface.

What Are The Smallest Sized Top Boat Hull Cleaners?

The smallest size top boat hull cleaners are the 32-ounce containers of Better Boat Instant Hull Cleaner, Star Brite Sea Safe Boat Wash, Bio-Kleen Fiberglass Hull Cleaner, Star Brite EZ-ON EZ-OFF Hull & Bottom Cleaner, and Star Brite Instant Hull Cleaner.

What Is The Largest Size Top Boat Hull Cleaner?

The largest size top boat hull cleaner is the 55-gallon Star Brite EZ-ON EZ-Off Boat Hull & Bottom Cleaner.

Where Is The Best Place To Buy A Top Boat Hull Cleaner?

The best place to buy a boat hull cleaner is at online retailers like Amazon, West Marine, and Walmart, and in-store at Walmart.

What Does The pH Level In Boat Hull Cleaners Mean?

The pH level refers to the acidity or basicity of the solution. The pH scale ranges from 0 to 14, with 7 being neutral. A pH value below 7 is considered acidic while a pH value above 7 is considered basic or alkaline.

What Top Boat Hull Cleaner Has The Highest pH Level?

The top boat hull cleaner with the highest pH level is the Star Brite Sea Safe Boat Wash with a pH level of 6.5.

What Top Boat Hull Cleaners Have The Lowest pH Level?

The top boat hull cleaners with the lowest pH level are Bio-Kleen Fiberglass Hull Cleaner and Star Brite Ultimate Aluminum Cleaner with a pH level of 1.