Mosquito Bt Floating Donuts/Dunks (Pack of 6)

Mosquito Bt Floating Donuts/Dunks (Pack of 6) deliver reliable, long-lasting mosquito control using Bacillus thuringiensis var. israelensis (Bt). The dunks float on standing water where mosquitoes lay eggs and continuously release a natural larvicide that targets mosquito larvae while remaining safe for humans, pets, wildlife, and beneficial insects.

At a glance

• Type: Biological larvicide (floating dunks)
• Active ingredient: Bacillus thuringiensis var. israelensis (Bt)
• Pack size: 6 dunks
• Lasts 30 days or longer per dunk
• Works in water of any quality or volume
• Safe for people, pets, and wildlife when used as directed

Best for

• Ponds, birdbaths, and rain barrels
• Fountains, flower pots, and troughs
• Large and small standing-water sites
• Targeting mosquito larvae at the source
• Integrated Pest Management programs

How to use

Place the dunks in standing water where mosquito larvae breed; they float and gradually release Bt with no mixing or measuring needed. Each dunk provides control for 30 days or longer under typical conditions, so replace monthly for continuous protection.

About Grow Organic

Grow Organic supplies natural pest control and garden essentials to help growers manage pests safely and sustainably.