UPL Hydrothol 191 Granular Pond Algaecide and Herbicide pond filtration The strong outer housing protects

The strong outer housing protects the pump from becoming easily damaged

a bottom-cutting rake removes weeds at their source

Vertex® Aerator Compressor Rebuild Kit for 1/2HP Brookwood™ dual piston compressor

Increases dissolved oxygen for healthier fish

Repairs natural slime coat

UPL Hydrothol 191 Granular Pond Algaecide and Herbicide pond filtration The strong outer housing protectsHydrothol 191 Granular Algaecide Herbicide is a selective, rapid acting, contact herbicide and algaecide. Controls submersed weeds and algae in lakes, ponds, irrigation canals, and drainage ditches. Works rapidly enough to be effective in both still and slow moving water. EPA approved Works quickly Not swimming or fishing restrictions Works on both Algae and Pondweeds! Available in a 20 pound bag only. *Cannot be shipped to: AK, CA, CT, DC, DE, HI,