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Zebra Mussel Disinfectants and Usage Guidelines for Boats and Equipment

 

Zebra Mussel Disinfectants and Usage Guidelines for Boats and Equipment

Disinfectant

Concentration

Contact Time

Usage Guidelines, Safety Precautions, Drawbacks

Vinegar

100%

20 min

Use appropriate personal protective equipment (PPE) and caution. Stay upwind of the spray. Is corrosive to metal and toxic to fish at this concentration, so thoroughly rinse with tap water or water from the next lake or river after disinfection. Ensure that solution does not run-off directly into waterways.

Chlorine

200 ppm

10 min

Use appropriate PPE and caution. Stay upwind of the spray. Is corrosive to metal and rubber and toxic to fish at this concentration, so neutralize with 800 ppm sodium thiosulfate and rinse thoroughly with tap water or water from the next lake or river. Ensure that solution does not run-off directly into waterways.

Power wash with hot water

>104° F

20 min

Use appropriate PPE and caution when using hot water due to possibility of burns/scalding. Temperature and contact times are crucial, as efficiency is weather dependent. Most effective when used in conjunction with air drying (see below). Power wash with hot water, including thoroughly flushing lower motor unit.

Freezing

<32° F

24 hrs

Boats, gear, and equipment should be thoroughly frozen. Ambient air temperature should remain below freezing for the entire contact time. No safety precautions.

Air drying

N/A

3-5 days in hot sun
48 hrs in hot sun

Must dry completely to be effective. Most effective when used in conjunction with hot water (see above).
To be used for small nets, gear, pumps, etc., ONLY AFTER power washing with hot (104°) water for appropriate contact time.

Salt Bath

1%

24 hrs

Due to the long contact time, may only be used as a bath solution and not sprayed. To be used only for pieces of equipment, gear, and nets that can be completely immersed in the solution.

Source: Missouri Dept. of Conservation Policy, 10/05.

Updated: 08/13/2009