Barnacle Dissolver

Barnacle Dissolver

What Is Barnacle Dissolver?

The Barnacle Dissolver was created to enable boat owners to get cost effective, professional results when cleaning propellers and running gear. Boaters can now safely and effectively remove barnacles and other stubborn marine growth from their propellers, trim tabs, shafts and rudders without the use of power tools or harsh, volatile chemicals.

Barnacle Dissolver’s unique organic salt compound is non-corrosive to the skin and releases no noxious fumes.

Using power tools to remove barnacles and other growth will result in a loss of metal and impact the structural integrity and balance of the propeller. Barnacle Dissolver will help increase the longevity of your propeller and other running gear.

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Works great on propellers, shafting, trim tabs, rudders and many more!

Easy To Use

Simply spray it on, let it sit and then lightly scrub, hand polish and rinse.


Effective organic salt based alternative to Hydrocholoric acid, which means not only is Barnacle Dissolver non-corrosive to skin, but it's safe for fiberglass and gel coats. Removes less metal material than power tools.

Increase Performance

Improves performance of your propeller resulting in better boat speed and fuel consumption.


See Barnacle Dissolver as we take this propeller and make it look new again!

Here's a timelapse video of us cleaning a propeller from start to finish.

Barnacle Dissolver FAQ's

Here are common questions we receive about the Barnacle Dissolver. If you can't find an answer to your question here please feel free to contact us.

Barnacle dissolver is an organic salt based compound that will start to crystalize in low temperatures (-32°F). If this happens, it is best to get the solution back up to room temperature and lightly shake the bottle to dissolve the salt crystals. We recommend using this product in a temperature range of between 40°F and 90°F for best results.

Barnacle Dissolver is a powerful concentrated formula and is meant to be handled like most other concentrated cleaners. During use it is important to avoid overspray as much as possible, and be aware of any effect from wind if using outdoors. We recommend using eye protection and gloves during application. Do not use on bare aluminum.

We recommend Barnacle Dissolver to be stored at room temperature with the cap on, and spray nozzle removed. This will keep salt crystals from forming in the spray nozzle tube. We also recommend that after each use you run warm water through the nozzle to remove any remaining Barnacle Dissolver, this will insure the spray nozzle remains clean and functional.

Please call PYI Inc. if you are interested in the possibility of bulk packaging.

Application Instructions

The Barnacle Dissolver is very easy to use and great for the average DIY'er. For best results please follow these simple instructions. Please contact us if you have any questions.

Tools Needed

  • Paint scraper
  • Scotch Brite
  • 60 grit sanding sponge
  • Eye and hand protection (recommended)


  1. Rinse surface thoroughly.
  2. Coat entire surface in Barnacle Dissolver.
  3. Wait 30-45 seconds. Severely fouled surfaces may require longer soak times for best results.
  4. Scrape away all marine growth. Severely fouled surfaces may require that step 3 and 4 be repeated several times to remove stubborn growth.
  5. Rinse again.
  6. Re-coat surface with Barnacle Dissolver.
  7. Using Scotch Brite scrub the remaining debris away, using small circular motions.
  8. Rinse again.
  9. Re-Coat surface in Barnacle Dissolver.
  10. Polish using a 60 grit sanding sponge.
  11. Rinse away all remaining residue.

* It is recommended that you clean one surface at a time and repeat the steps above for each surface

Prop before cleaning.
Prop with Barnacle Dissolver on it.
Prop after cleaning.

Dealer Locator

Find Barnacle Dissolver at a store near you!

Need to know more information? Feel free to download our Barnacle Dissolver literature. Can't find what you're looking for? Please contact us!

Barnacle Dissolver on a prop