Aquathol Super K Granular Herbicide

A concentrated granular aquatic herbicide for rapid control of a broad range of submerged weeds. Midwest Aqua Care identifies it as a top seller for Curly-leaf Pondweed.

Recommended for

Small lakes, ponds, docks, and shoreline areas with submerged weeds.

Active ingredient

Dipotassium salt of endothall (63%).

Product details & application

• Dust-minimized granular formulation that requires no mixing or spraying.
• Spread evenly over the water surface above the target vegetation.
• Works best early in the season when water temperatures are approximately 55–60°F.
• A 10 lb bag typically treats about 12,000 sq ft (about 0.28 acre), depending on depth and weed density.

Key plants / growth controlled

• Coontail
• Sago pondweed
• Hydrilla
• Milfoil
• Naiad
• American pondweed
• Curly-leaf pondweed
• Floating-leaf pondweed
• Parrot feather
• Water stargrass

Application examples

• Lakeshore 100 ft × 100 ft: 4.55 lb at the lower-rate example
• Lakeshore 75 ft × 100 ft: 3.37 lb
• Lakeshore 50 ft × 50 ft: 1.19 lb
• Higher midseason example: 9.11 lb per 100 ft × 100 ft treatment area.

Water use & safety

The supplied information lists no restrictions on swimming, fishing, or irrigation of turf/ornamental plants when used as directed, while potable-water-intake setbacks can apply.

Shipping restrictions

Cannot ship to: AK, CA, CT, HI, ME, NJ, NY, OR, WA.

Important: Always refer to the current product label for exact application rates, restrictions, directions, and instructions.