Hi-Yield Killzall 32 Oz. Concentrate Weed & Grass Killer Aquatic Herbicide Nylabone Shank adjusts valve height from

Shank adjusts valve height from 9" to 14" to fit most tanks

Clear acrylic windows to monitor seed level

features stop feed action

Birds feels safer with better views of their surroundings

Spot treatment for weeds: Won't harm lawn grasses when used as directed - use on lawn grasses including Bermudagrass

Hi-Yield Killzall 32 Oz. Concentrate Weed & Grass Killer Aquatic Herbicide Nylabone Shank adjusts valve height fromNon selective weed and grass killer labeled for use in aquatic and other non crop sites. Controls annual and perennial grasses, broadleaf weeds, plus woody brush species listed on the label. Also provides excellent control of Canadian thistle, chickweed, dock, foxtail, pigweed, ragweed, and many other plants listed on the label. Non toxic to dogs and other domestic animals, but ingestion of this large amounts of this product may cause vomiting or