Hydrothol® 191 Granular

Hydrothol® 191 Granular

  • $109.99


Hydrothol 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
  • Words quickly
  • Not swimming or fishing restrictions
  • Works on both Algae and Pondweeds!

Available in a 20-pound bag

*Cannot be shipped to: AK, CA, CT, DC, DE, HI, MA, ME, NJ, NY, PR, RI, VT, WA 

Application Rate

 

For Algae Control  60 lbs treat up to 1 surface area 4 feet-deep
For Aquatic Weed control  120 lbs treat up to 1 surface area 4 feet-deep 


Direction for use:

To apply Hydrothol 191 Granular, simply broadcast the granules uniformly over the water surface above the target plant, by hand or with the use of a mechanical spreader.

              
Pro Tip:

Heavy algae or pondweed infestations should be treated in sections 5 to 7 days apart to avoid oxygen depletion from decomposing dead vegetation.

Water treated with Hydrothol 191 Granular should not be used for irrigation or human and animal consumption for 7 to 25 days depending on the application rate.

Please see label for complete product information. 

Can not be shipped to PR, HI, AK, or Canada

 Product SDS Sheet & Label

                                                                 

Hydrothol 191 Granular SDS Sheet                    Hydrothol 191 Granular Label

               

Recommended Application Rate: 

For Algae Control  60 lbs treat up to 1 surface area 4 feet-deep
For Aquatic Weed control  120 lbs treat up to 1 surface area 4 feet-deep 


Direction for use:

To apply Hydrothol 191 Granular, simply broadcast the granules uniformly over the water surface above the target plant, by hand or with the use of a mechanical spreader.

              
Pro Tip:

Heavy algae or pondweed infestations should be treated in sections 5 to 7 days apart to avoid oxygen depletion from decomposing dead vegetation.

Water treated with Hydrothol 191 Granular should not be used for irrigation or human and animal consumption for 7 to 25 days depending on the application rate.

Please see label for complete product information. 

Can not be shipped to PR, HI, AK, or Canada


Customer Reviews

Based on 1 review Write a review
Customer Reviews
5 Based on 2 Reviews
Write a Review

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
JB
03/27/2020
Janine B.
United States United States
very helpful

Very pleased with service and shipping. I would highly recommend.

ER
04/04/2019
Erik R.
It works!

had some problem weeds and Chara in my pond.. this cleared it right up!