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Summit Mosquito Dunks by Summit
Summit Mosquito Dunks

Perfect Option for Mosquito Control in Containerized Standing Water Areas

Mosquito Dunks are favorites of homeowners and professionals providing effective mosquito control around standing bodies of water. Each dunk kills mosquitoes before they become flying, biting adults. Mosquito Dunks provide 30 days of continuous control under normal environmental conditions. They contain Bacillus thuringiensis israelensis , a targeted larvicide, which releases into the water once placed.

Dunks float in water and can be anchored with string to prevent them from being washed away. Mosquito Bits are suitable alternatives to the Mosquito Dunks when bodies of standing water are not present. Alternate drying and wetting does not reduce the effectiveness of Mosquito Dunks or Mosquito Bits.

Application Rates: The square footage below refers to surface area of the standing water.

  • 1-5 Square Feet – ¼ dunk
  • 5-25 Square Feet – ½ dunk
  • 25-100 Square Feet – 1 dunk
  • 100+ Square Feet – 1 dunk per 100 square feet.

Mosquito Dunks also can be used as a pre-flood treatment in areas expected to become breeding sources.


This Product Controls These Pests or Diseases: Black Fly ( Simulium vittatum Zetterstedt ), Fungus Gnats ( Bradysia impatiens ), Mosquitoes ( Culiseta longiareolate )


Warning & Toxicities: Avoid breathing dust. Do not apply to finshed, treated drinking water.

Shelf Life: Indefinite

Active Ingredients/Guaranteed Analysis: Bacillus thurengiensis sp israelensis


Product Details
Bacillus thurengiensis sp israelensis
  • Summit Mosquito Dunks FAQs
  • Summitu2122 Mosquito Dunks MSDS
Use & Instructions

Place dunks in standing water when mosquitoes are present. Replace dunks every 30 days for best results.


Environment: Outdoors, Pond & Environment, Interiorscapes, Container Plants, Houseplants

Storage: Store in original container. Apply to moist areas where pest insects are breeding.

Diseases & Pests Controlled
  • Mosquitoes
  • Fungus Gnats
  • Root Aphids
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