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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #31  
Old 09-05-2007
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Prop Cleaning

Hi

Not that this will help this year! I smear Penaten cream (a Baby's bottom cream (zinc oxide with some medical stuff in it) on the prop and shaft every time I haul out or I go on a tide grid.I put the Penaten cream on in May last year and was on the tide grid last week. The prop was clean but there was some slime and loose barnacles on the shaft. The shaft cleaned up fine with a nylon scouring pad in less than a minute.

The boat is a Fiberglass sail boat in Vancouver BC and is in moored in salt water and has not had much use this year.

My 2c s worth

Chris
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Old 09-05-2007
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With cold water and "little use" almost any grease would stop barnacles from attaching to a prop. But Penateh cream contains, among other things, Cetylpyridinium Chloride which is classed as both an antiseptic and a pesticide. In the US, it probably would be illegal to apply it under a boat without a pesticide license. You could certainly sneak it in--but the threat of state or federal EPA sanctions would pretty much guarantee it can't be sold for this purpose.

Since zinc oxide also has antimicrobial and antifungal properties, it might also be problematic in commercial sales.

Now, if you just smeared Vaseline on one blade, and axle grease on another...we'd have something objective to compare it all to. < G >

"Medicinal Ingredients:Hamamelis Extract .527%, Zinc Oxide 18.724%
Non-medicinal Ingredients: Panthenol 1.055%, Allatonin 0.211%, Cetylpyridinium Chloride 0.106% in Penaten Cream base."
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  #33  
Old 09-06-2007
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Thanks all for the input on extending the snorkel length. I never thought of any of those dangers and work-arounds.

I've used Anhydrous Lanolin on my prop with great success. It's available at drug stores and is inexpensive. I believe it's safe for the environment since It's made of sheep wool fat. When you're finished coating your prop, rub the remainder on your lips and have the smoothest lips in town! I've also used it as an anti-seizing compound. I think it's the primary ingredient in Lanocote.

Maybe there are no barnacles in Loch Ness, but what about that monster!!!!

Paul
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  #34  
Old 09-07-2007
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Cleaning Prop

Preventive medicine is the best way. After it is cleaned tie a black garbage sack over the prop. No more barnacles or marine growth. They need light.
After each use put another sack. Works for me.

John
Ranger 29
Rockport, TX
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  #35  
Old 09-07-2007
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Quote:
Originally Posted by JohnWallace View Post
Preventive medicine is the best way. After it is cleaned tie a black garbage sack over the prop. No more barnacles or marine growth. They need light.
After each use put another sack. Works for me.
What you suggest means diving the boat twice each time you use it; once to take the bag off and again when you are putting the boat away to put a bag on. Why not just dive the boat once and clean the prop? Unless I'm missing something here.
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