Protecting Boats and Motors From Zebra Mussels 1.
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Transcript of Protecting Boats and Motors From Zebra Mussels 1.
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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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