
Aluminum boat lifts are a great solution for better boat preservation, especially for those who prefer unpainted hulls. However, to ensure the proper operation of a lift system long into the future, it will still need to be properly cleaned and maintained. The exact maintenance requirements for your boat lift will depend on the type of lift system you own, and you should always refer to the manufacturer guidelines for proper cleaning procedures.
Typically, you’ll want to rinse the cables and cradle of your lift system with fresh water after each use, as this will prevent the accumulation of abrasive salt crystals that can accelerate wear. It may also be beneficial to occasionally clean out areas that aren’t easily accessible with a hose, such as cable winders. Depending on your lift system, it may even be worth hiring a professional cleaning service.
There are various products available on the market to help with cleaning your aluminum boat lift, such as Algex, Alumabrite CBX, and Boat Bling Hot Sauce. These products can help remove tough algae, brighten aluminum, and protect against future stains.
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What You'll Learn

Cleaning the pontoon intakes
Pontoon intakes are hollow, which makes them an excellent habitat for marine growth, especially mussels. It is common to find large colonies living inside the pontoons, restricting the vital water/air flow. Therefore, it is essential to have a boat lift cleaning service.
Step-by-Step Guide to Clean the Pontoon Intakes:
Step 1: Use a 50/50 mix ratio of vinegar with distilled water. Spray the solution onto the aluminum boat, and then wipe it away with a clean towel.
Step 2: If there is a lot of dirt, grime, or filthy water spots, start by cleaning the area with a mild soap solution mixed with a little water.
Step 3: Mix the vinegar and distilled water solution at a 50/50 ratio into a small bucket.
Step 4: Pour the mixture into a cheap water-spraying bottle and spray it onto the dirty or water-marked aluminum. Leave it for about a minute to let the vinegar soak in and attach to the dirt.
Step 5: Use the wet corner of a clean, non-abrasive towel or cloth to rub the aluminum area clean. Use upward and downward strokes, and if any streaks remain, use circular motions to rub them away.
Alternative Products for Cleaning the Pontoon Intakes:
Algex: This acid-based product can effectively remove algae and other marine growth. Spray it on, keep it wet, and let it work for 20 to 30 minutes. Then, scrub it with a stiff brush and hose or pressure wash it off.
Alumabrite CBX: This product can brighten aluminum after removing marine growth with Algex.
VS721: This product can be applied to the aluminum to reduce the attachment of future marine growth and protect the shiny appearance. It also reduces drag, improves performance, and reduces fuel consumption.
STAR BRITE Ultimate Aluminum Cleaner & Restorer: This product is designed to clean and restore stained or dull aluminum pontoon boats, jon boats, and canoes. It strips away grime, lime deposits, waterline stains, and oxidation without harming the metal.
Tips:
- Always use clean and distilled water for cleaning.
- Use a 50/50 vinegar to water ratio.
- Use a clean and wet cloth to wipe away the vinegar cleanly to prevent losing small amounts of aluminum.
- For more challenging stains and dirt, consider using a specialist product like Boat Bling Hot Sauce, which contains vinegar, wax, and protectants.
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Cleaning the structure or frame
To clean the structure or frame of an aluminum boat lift, it is important to address the growth of marine organisms such as mussels, barnacles, and oysters, which can cover the bare metal frame in just a few months. Here are some steps and tips to effectively clean the structure or frame:
Choose the Right Cleaning Products:
- Opt for products specifically designed for aluminum, such as STAR BRITE Ultimate Aluminum Cleaner & Restorer, which is formulated to remove grime, lime deposits, waterline stains, and oxidation without harming the metal.
- For tough algae and other marine growth, consider using Algex, which is an acid-based product that effectively removes these organisms without damaging the aluminum.
- If staining persists, follow up with Alumabrite CBX to brighten the aluminum.
- To protect the aluminum and prevent future staining, apply a product like Alumetron, which can fill in the pores and provide protection for up to 10 years.
Prepare the Boat Lift for Cleaning:
- If possible, lift the boat off the trailer or move it to a location where you can easily access the structure or frame for cleaning.
- Ensure you have all the necessary equipment, such as a sponge, brush, or cloth for applying the cleaning products, as well as a hose or pressure washer for rinsing.
Clean the Structure or Frame:
- Follow the instructions on the chosen cleaning product and apply it to the boat lift structure or frame.
- Pay close attention to areas that are heavily covered in marine growth, such as mussels, barnacles, or oysters, and ensure these areas are thoroughly cleaned.
- Use a brush or sponge to scrub away any stubborn growth or stains.
- Rinse the structure or frame with fresh water using a hose or pressure washer.
Monitor and Maintain:
- Regularly monitor the boat lift frame to prevent excessive marine growth and corrosion.
- Keep an eye on the anode condition and electrolysis to prevent corrosion on the metal frame.
- Establish a boat lift cleaning routine and schedule to maintain the health and proper functioning of your boat lift.
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Anode and electrolysis monitoring
- Understanding Electrolysis: Electrolysis is a process where electrical currents in the water cause chemical decomposition of metal components, leading to corrosion. This can occur in any type of water but is accelerated in saltwater due to its higher conductivity.
- The Role of Anodes: Anodes are positively charged electrodes typically made of zinc, magnesium, or aluminum. They are often attached to the boat lift's beams and remain in the water even when the lift is raised. The purpose of anodes is to act as sacrificial metals, corroding instead of the important metal parts of your boat lift.
- Monitoring Anode Condition: It is essential to regularly inspect and monitor the condition of your anodes. Over time, the anodes will corrode and need to be replaced. Keep a close eye on their size and integrity, and replace them when they have significantly deteriorated.
- Preventing Electrolysis: To prevent electrolysis and corrosion, ensure that all power and electrical connections are properly disconnected when your boat lift is not in use. This includes fully breaking the connections, as simply turning off the power may not be sufficient.
- Frequency of Monitoring: The frequency of your anode and electrolysis monitoring will depend on several factors, including the environment in which your boat lift is used and the amount of time it spends in the water. For example, if your boat lift is frequently used in saltwater, you may need to inspect and replace the anodes more often.
- Additional Prevention Methods: In addition to anode installation and monitoring, you can take other steps to prevent electrolysis and corrosion. These include painting metal parts with corrosion-resistant paint, shutting off power when the boat lift is not in use, and ensuring no metal objects are left in the water when the lift is idle.
- Seeking Professional Services: Depending on your boat lift system, consider hiring a professional cleaning service to access and clean hard-to-reach areas. They can also provide guidance on proper maintenance and anode replacement.
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Removing tough algae
Step 1: Choose the Right Product
Avoid using harsh chemicals like HF acid or HCl, as these can damage the aluminum and ruin the boat's appearance. Instead, opt for products specifically designed for removing algae and marine growth, such as Algex or Boat Bling Hot Sauce. These products are effective in removing algae and will not harm the aluminum surface.
Step 2: Prepare the Boat
If the boat is on a trailer, you will need to lift it off the trailer bunks to access the bottom for cleaning. You can use a crane or refer to online resources for instructions on safely lifting the boat off the trailer.
Step 3: Apply the Product
Spray the chosen product onto the affected areas of the boat. Keep the surface wet with the product and let it sit for about 20 to 30 minutes. This will give the product time to work and loosen the tough algae.
Step 4: Scrub and Rinse
Using a stiff brush, scrub the areas where you applied the product. This will help to dislodge the loosened algae and other marine growth. After scrubbing, use a hose or pressure washer to rinse off the product and remove the loosened debris. For stubborn areas, you may need to reapply the product and repeat the process.
Step 5: Restore and Protect
Once the algae and stains are removed, you can use a product like Alumabrite CBX to brighten and restore the aluminum surface. If desired, you can also apply a protective coating, such as VS721, to reduce future attachment of marine growth and protect the appearance of the aluminum.
Step 6: Maintain
To prevent heavy algae buildup in the future, regularly clean your boat using a mild soap solution or a specialized aluminum cleaner. This will help to remove dirt, grime, and water spots, making it easier to maintain the boat's appearance.
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Removing stains
Using Algex and Alumabrite CBX:
This two-step process is recommended by Captain Aurora Richard Kittar of Aurora Marine. First, use Algex, an acid-based product, to remove algae and other marine growth. Spray it on, keep the surface wet, and let it work for about 20 to 30 minutes. Then, scrub it with a stiff brush and rinse it off with a hose or pressure washer. If there is any remaining calcium or tough stains along the waterline, you may need to reapply Algex.
Next, use Alumabrite CBX to brighten the aluminum and restore its shine. This product is designed specifically for aluminum alloys used on boats and will leave your boat lift looking shiny and new.
Using Vinegar and Water:
This method, recommended by Bill Lewandowski of Pontoonopedia, involves using a mixture of vinegar and water to clean the aluminum. Vinegar is acidic, and aluminum has a reactive base, so the vinegar will aggressively neutralize any acid on the surface.
- Clean any dirt, grime, or filthy water spots with a mild soap solution and water.
- Mix equal parts vinegar and warm distilled water into a small bucket. Do not use water from a lake, sea, or saltwater, as it will make the problem worse.
- Pour the mixture into a spray bottle and spray it onto the dirty or water-marked areas of the boat lift.
- Let it sit for about a minute to allow the vinegar to soak in and attach to the dirt.
- Use a clean, wet towel, cloth, or rag to rub the aluminum area in upward, downward, or circular motions until it is completely clean.
While this method is effective for most water spots and marks, it may not work for more stubborn stains, water stains, or dirt.
Using Boat Bling Hot Sauce:
For more stubborn stains, Bill Lewandowski recommends Boat Bling Hot Sauce, which contains vinegar, Carnuba wax, and other ingredients. Simply spray it on and wipe it clean, with no need for hosing. It will leave a shiny wax finish on the aluminum, protect it from future water spots, and reduce the need for frequent cleaning.
Using STAR BRITE Ultimate Aluminum Cleaner & Restorer:
This product is designed to clean and restore stained or dull aluminum surfaces, including pontoon boats, jon boats, and canoes. It effectively removes oxidation, dirt, lime deposits, and waterline stains without harming the metal. It is easy to use and can be applied with a sponge, brush, or cloth, followed by a thorough rinse with water.
By following these methods and using the right products, you can effectively remove stains from your aluminum boat lift and restore its shine and brilliance.
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Frequently asked questions
It is recommended to clean your aluminum boat lift regularly. Rinsing the cables and cradle of your lift system with fresh water after each use can help prevent the accumulation of abrasive salt crystals and reduce wear and tear.
You can use a 50/50 mix of vinegar and distilled water to clean your aluminum boat lift. Spray the solution on the desired area and wipe it away with a clean towel. You can also use specialist products like STAR BRITE Ultimate Aluminum Cleaner & Restorer, Algex, Alumabrite CBX, and Boat Bling Hot Sauce.
Vinegar can be used to clean water spots and splashes on aluminum hulls, vinyl seats and benches, side walls, panels, and aluminum pontoon tubes. It is also useful for removing bird or insect droppings and other minor cleaning jobs.
Vinegar is not suitable for removing barnacles, algae, salt deposits, mildew stains, or scuff marks.
Boat Bling Hot Sauce is more effective at removing stubborn water marks and streaking stains from aluminum boats. It also contains a wax that leaves a shiny finish, protects against future water spots, and reduces cleaning frequency.

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