Protecting Boats and Motors

From Zebra Mussels

Protecting Boats and Motors

From Zebra Mussels

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VELIGER

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· Veliger settlement peaks in mid-late summer

· Settlement continues through autumn

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Inhibit Zebra Mussel AttachmentInhibit Zebra Mussel Attachment

· Expose boat hulls to high water velocity

· Run engines frequently to kill veligers

· Raise lower units out of water

· Use boat lift

· Treat boat hulls and lower units with antifouling coatings

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Antifouling CoatingsAntifouling Coatings

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Copper-based PaintsCopper-based Paints

· Effective antifoulants

· Generally available over-the-counter

· Effective on fiberglass, wood, and steel

· Not recommended for aluminum

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Tributyltin (TBT)-based PaintsTributyltin (TBT)-based Paints

· Effective antifoulants

· Highly toxic

· Require a pesticide applicator permit

· Use primarily on aluminum boats

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Comparison of Antifouling CoatingsComparison of Antifouling Coatings

· Copper-based paints – season-long deterrence

· TBT-based paints – season-long deterrence

· Antifouling engine sprays with TBT – 10 weeks

· Oil-based coating – no measurable protection

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CAUTIONCAUTION

· Use paints that release active ingredients only when they’re submerged

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Application of Antifouling CoatingsApplication of Antifouling Coatings

· Apply in spring prior to launching

· Use tar-based undercoating to improve boat performance

· Revitalize intact coatings

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· Protect engines, too!

· Antifouling paint

· In-line strainers

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CAUTIONCAUTION

· Before using any antifouling coating, check about local regulations.

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Remember…….Remember…….

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Also Be Sure To…..Also Be Sure To…..

· Check marine toilet outflows

· Check drain plugs

· Check bait well and live well inflows and outflows

· Wash down intakes

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Help Slow the SpreadHelp Slow the Spread

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Remove all aquatic plants and animals from the boat, motor, and trailer.

Remove all aquatic plants and animals from the boat, motor, and trailer.

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Check anchors and other equipment for mud or plants.Check anchors and other equipment for mud or plants.

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Drain lake or river water from bait bucket, livewell, and bilge.

Drain lake or river water from bait bucket, livewell, and bilge.

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Dispose of unwanted bait on shore or in the trash.Dispose of unwanted bait on shore or in the trash.

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Rinse boat and equipment with high-pressure or 104 degree F water, especially if moored for more than a day.

Rinse boat and equipment with high-pressure or 104 degree F water, especially if moored for more than a day.

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OR,Dry all equipment for at least 5 days under good drying conditions.

OR,Dry all equipment for at least 5 days under good drying conditions.

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Written and Produced By:Fred L. Snyder

District Specialist, Sea GrantOhio State University Extension

7/2000

All Rights Reserved

Written and Produced By:Fred L. Snyder

District Specialist, Sea GrantOhio State University Extension

7/2000

All Rights Reserved

Photo Credits:slides 1, 2, 4, 5, 6,8, 10, 11 - Fred L.Snyder, Ohio Sea Grant Extensionslide 3 - Gordon Hopkins - Ontario Ministry of the Environment

slides 4, 7, 9 - Steve Krynock, Drawbridge Marina, Port Clinton, Ohio

Sponsored by Ohio Sea Grant , NOAA grant NA86RG0053

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