Summit Mosquito Dunks | Biological Larvicide – 6 Pack | BTI Mosquito Control

Imagine a summer without the constant buzz and bite of mosquitoes around your rain barrels, bird baths, and ponds. Summit Mosquito Dunks make that possible — safely, naturally, and without harsh chemicals.

Summit Mosquito Dunks – 6 Pack

Each Mosquito Dunk® is a small, donut-shaped tablet that floats on standing water and slowly releases BTI (Bacillus thuringiensis subspecies israelensis) — a naturally occurring bacterium that is deadly to mosquito larvae and fungus gnat larvae, but completely safe for people, pets, birds, fish, and beneficial insects.

Key Features

• 30-Day Larval Control: Each dunk kills mosquito larvae for 30 days or more per application
• 100 Sq Ft Coverage: One dunk treats up to 100 square feet of water surface, regardless of depth
• BTI Active Ingredient: Biological larvicide — not a chemical pesticide
• Organic-Approved: Certified for use in organic production
• Floats Automatically: Slow-dissolving formula works as water levels rise and fall
• 6-Pack Included: Enough to treat multiple water sources all season

Safe For

• People, pets, birds, and wildlife
• Fish ponds and water gardens
• Organic gardens and farms

Ideal For

• Rain barrels and cisterns
• Bird baths and decorative ponds
• Tree holes and planter reservoirs
• Rain gutters and elevator shafts
• Any standing water where mosquitoes breed

How It Works

As the dunk dissolves, it releases BTI into the water. Mosquito larvae ingest the bacterium and die before they can mature into biting adults — breaking the breeding cycle at the source. It does not affect adult mosquitoes.

Specifications

• Active Ingredient: BTI — Bacillus thuringiensis subspecies israelensis
• Pack Size: 6 dunks
• Coverage: Up to 100 sq ft per dunk
• Duration: 30 days or more per dunk
• Approved Use: Organic production
• SKU: HARSPRSM00110

Control mosquitoes at the source — before they bite. Pick up Summit Mosquito Dunks at Purity Feed in Kamloops or Merritt.