Deionized water

[WeedHopper]

What are these donuts deals? Interesting.

Bubba

 

[WeedHopper]

They are safe and non toxic.

A Mosquito Dunk® looks like a small, beige donut which floats on standing water. As the Dunk® slowly dissolves, it releases a bacterium which is toxic to all species of mosquito larvae.

• Each dunk® kills mosquito larvae for 30 days or more.
• Approved for use in organic production
• Each dunk® covers up to 100 square feet of water, regardless of depth for 30 days or more
• Use Mosquito Dunks® in any standing water including rain barrels, bird baths, tree holes, elevator shafts, planter reservoirs, rain gutters, etc