Weedtrine-D Liquid - Ideal for Use on Small Bodies of Water 

Weedtrine-D and Harvester Liquids with diquat, are a broad spectrum, rapid-acting, contact herbicides. Ideal for use on small bodies of water or small weed patches. Successfully controls a broad range of submersed, floating and emersed weeds in still lakes, ponds, and drainage ditches. Great on land too! More- http://www.killlakeweeds.com/products/weedtrine-d-liquid