Hydrothol 191 Granular is a contact herbicide that effectively controls most Pondweeds and macroalgae. It is LakePro’s preferred herbicide for Eelgrass. Hydrothol 191 Granular is a granular formulation that can be broadcast by hand or through a spreader.

Available in 20 pound containers.


PRODUCT CANNOT BE SHIPPED TO THE FOLLOWING STATES:
CA, CT, MA, MD, ME, NH, NJ, NY, PA, RI, WA, & VT


Terms and Conditions

Regulatory and permitting requirements governing pesticide use vary from one location to another. It is the buyer's responsibility to review and adhere to Federal, State, and Local laws and regulations and to follow product label instructions. All online sales of products are final with no exchanges, refunds, or returns once received. Some products may not be available for sale in all areas.

Additional information

Weight 20 lbs
Dimensions N/A
Size

20 Pounds

Hydrothol Granular Can Control The Following Plants:

Starry Stonewort

Starry Stonewort

Algimycin’s initial effects will happen on Starry Stonewort with 1 to 2 days after application. Complete control takes place within a week. The suggested application rate with Algimycin is 6 gallons per acre. Multiple applications may be needed throughout the season for continuous control.
Chara

Chara

Algimycin’s initial effects will happen on Chara within hours after application. Complete control takes place within a week. The suggested application rate with Algimycin is 6 gallons per acre. Multiple applications may be needed throughout the season for continuous control.
Curly Leaf Pondweed

Curly-Leaf Pondweed

Hydrothol-191 Granular’s initial effects will happen on Curl-Leaf Pondweed within days after application. Complete control takes place within two weeks. The suggested application rate with Hydrothol-191 Granular is 33# per acre. Multiple applications may be needed throughout the season for additional or new growth.
Floating Leaf Pondweed

Floating-Leaf Pondweed

Hydrothol-191 Granular’s initial effects will happen on Floating-Leaf Pondweed within days after application. Complete control takes place within two weeks. The suggested application rate with Hydrothol-191 Granular is 33# per acre. Multiple applications may be needed throughout the season for additional or new growth.
Thin Leaf Pondweed

Thin-Leaf Pondweed

Hydrothol-191 Granular’s initial effects will happen on Thin-Leaf Pondweed within days after application. Complete control takes place within two weeks. The suggested application rate with Hydrothol-191 Granular is 33# per acre. Multiple applications may be needed throughout the season for additional or new growth.