20LB Hydrothol 191

SKU: 20HYDROTHOL191 Category: Tag:


  • Hydrothol 191 is a liquid concentrate soluble in water and is a highly effective herbicide/algaecide.
  • Be sure to apply this product when weeds and algae are actively growing. 
  • Susceptibility of algae may vary due to subspecies, strains or environmental conditions. 

Additional information

Weight 20 lbs
Dimensions 1 × 1 × 1 in