Summit Mosquito Dunks 20 pack

Summit brand mosquito dunks are the only larvicide with Bti effective beyond a mosquito generation (approximately one to two weeks), available as twenty Dunks per card. Others make claims, but the Dunks are the real deal, safe for use in fish habitats and animal watering troughs, effective in controlling 100 square feet of water for at least thirty days.

Single card with 20 dunks

MSDS

Instructions for use of the Mosquito Dunks