Mosquito Dunks 116-12 8-Ounce Quick Kill Mosquito Bits (3)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Corn cob granules coated in BTI， the Bits do not last long but provide a punch that will turn water， black with larvae， to a clear pool void of future mosquitoes After the initial use as a "shock"， supplement with Mosquito Dunks for long term control</li><li>Made in United States</li><li>Quick kill mosquito bits Environmentally sound biological mosquito control</li><li>Kills mosquitoes fast， within 24 hours</li><li>EPA registered in all 50 states; weighs 8-ounce Sprinkle in any standing water</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51qLK4S519L.jpg" noproxy>