Summit Mosquito Dunks (Organic BTI Control)

Stop fungus gnats before they start. Summit Mosquito Dunks use a naturally occurring bacteria (BTI) to control mosquito larvae and fungus gnats without harming your plants. Just drop into your watering can or reservoir for peace of mind, naturally.

• Contains BTI - a safe, organic mosquito larvicide
• Controls fungus gnats in houseplant soil and hydroponics
• Long-lasting, easy-to-use dunk format
• OMRI listed for organic growing

Protect your plants with the same care you give them.

Shipping Information

Exceptional products deserve exceptional service. Orders to the US and Canada arrive in just 2 to 10 business days. Spend over $125 and shipping is on us (conditions apply). For details, see our Shipping Policies.

Returns and Exchanges

Your satisfaction matters. Return your purchase within 30 days, hassle free, as long as it is unopened and in its original condition. Learn more in our Returns and Exchanges Policies. Shop confidently. Your peace of mind is guaranteed.