Steer Clear of the Marine Cleaner Con

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In the upcoming May 2017 issue of Practical Sailor, we pull back the curtain on the boat-cleaner con and show you how you can make your own spray-bottle cleaners for far less than you pay for store-bought stuff. If youve got a locker full of nearly empty black-streak cleaners, waterline-stain cleaners, mildew preventers, bilge cleaners, and boat soaps, now is your chance to retire them all and reduce your cleaning arsenal to just four or five products that can fit in a small bucket.

This is not our first foray into the topic homemade maintenance supplies. A few years back we dug into the topic of homemade bronze polishes and found a couple of concoctions that proved their mettle-so to speak. Heres an excerpt from that report, as well as a review of our favorite homemade mildew cleaner.

Lest you think multi-billion-dollar chemical companies and their geeks in white lab coats have a lock on cleaning your bronze, there are numerous homebrewed cleaning solutions that folks claim have the ability to put a shine onyour bronze and a gleam in your eye.

We decided to test of a few of these strange brews. Beloware three recipes and our test results. The first two werepulled from the Internet, and the third was sent in by readerScott A. Morris of Clinton Lakes, Ill.Home brew No. 1: Salt and vinegar pasteRecipe: Dissolve 3 teaspoons of salt into 1 cup of whitevinegar. Add enough flour to make a paste, then scoopthe paste onto a clean sponge and polish. Rinse with hotwater and buff dry with a soft cloth.Result: This polish worked surprisingly well. While it took alittle scrubbing, and we had to let the tougher stains soakfor 10 to 15 minutes, it worked well overall and earned arating of Good on our test scale.

Home brew No. 2: lemon paste

Recipe: Polish with a soft cloth soaked in a solution of lemonjuice and baking soda, or sprinkle baking soda on a slice oflemon and scrub. (We made a paste as in Brew No. 1.)Result: After the mini-volcanic reaction of mixing lemonjuice and baking soda settled down, the resulting pastepowered off the stains exceptionally well with minimalscrubbing. We tried using a slice of lemon, but the clothheld up better and worked best while rubbing-it wasalso less messy. This home brew polish earned a solidrating of Very good on our test scale, comparable withmany of our top commercially produced performers.

Home brew No. 3, Morris’ Mix:

Recipe: Subscriber Scott A. Morris makes his polish byblending polishing compound (not rubbing compound)with a small amount of silicone car wax-according toMorris, a little experimentation will yield your best mix.Result: Fair to Good overall, however, it took a bit of rubbingto clean our nasty bronze. We used a half-and-halfmixture. Varying the mixture (say adding more polishingcompound for tougher stains) might have produced evenbetter results.
Overall, the results in the home brew category were prettyimpressive, particularly considering that the first two haveall natural ingredients and that all three are economical tomake. While the Brews Nos. 1 and 2 cleaned the bronze, theylacked the luster of products such as the Miracle cloth. Followingup the cleaning with a coat of wax (or even MorrisMix) would add shine and additional protection.

Of all the homebrew recipes weve tested, the one were most pleased with is our One-Penny mildew cleaner/preventer, which tester Drew Frye has tested extensively on his boat.We tried two formulas creatively named Formula A and Formula B, which cost just pennies to make. Our current favorite is Formula B, which weve used keep the interior of a damp and humid Catalina 22 mildew free in Florida for two years now. The anti-mildew formulas we tested each cost about one penny per ounce. Like the other mildew preventers in our test, you use these as cleaners by simply spraying the product on, wiping any excess away, and leaving it on. Before applying to any fabric, test the spray on an inconspicuous sample spot.

Formula A

1 quart hot water

1 tablespoon baking soda (sodium bicarbonate)

2 tablespoons washing soda (sodium carbonate)
2 tablespoons trisodium phosphate (TSP)

Much like Concrobium (which it is modeled after), our homemade Formula A removed the mildew from test carpet on board and kept it away, even though the area got wet again. It was also very effective in the moist-environment lab test.

Formula B

1 quart hot water

2 tablespoons baking soda

2 tablespoons Borax

1 tablespoon TSP

Formula B was the second-place performer overall in our test of mildew sprays. It was certainly the best value. It cleaned well, prevented mildew from returning to the carpet, and greatly slowed mildew infection in the moist-environment test in the lab. Weve used it for two years now on the damp interior of a boat stored in Florida. With a re-application every 90 days, the boats interior, which was once plagued with mildew, has remained mildew-free, while untreated samples stored on the same boat have been coated.

See the May 2017 issue of Practical Sailor for our full report on homemade cleaners and protectants. And if youre really serious about putting a shine back in your boat, our three-volume ebook Marine Cleaners: The Complete Series, is available in our online bookstore. All ebook sales help support our testing program.

Darrell Nicholson, editor of Practical Sailor, grew up boating on Miami’s Biscayne Bay on everything from prams to Morgan ketches. Two years out of Emory University, after a brief stint as a sportswriter, he set out from Miami aboard a 60-year-old wooden William Atkin ketch named Tosca. For 10 years, he and his girlfriend Theresa Gibbons explored the Caribbean, crossed the Pacific, and cruised Southeast Asia aboard Tosca, working along the way as journalists and documenting their adventures for various travel and sailing publications, including Cruising World, Sail, Sailing, Cruising Helmsman, and Sailing World. Upon his return to land life, Darrell became the associate editor, then senior editor at Cruising World magazine, where he worked for five years. Before taking on the editor’s position at Practical Sailor, Darrell was the editor of Offshore magazine, a boating-lifestyle magazine serving the New England area. Darrell has won multiple awards from Boating Writer’s International, including the Monk Farnham award for editorial excellence. He holds a U.S. Coast Guard 100-ton Master license and has worked as a harbor pilot and skippered a variety of commercial charter boats.

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