Sonar Q Herbicide

A fast-releasing systemic pellet herbicide designed for accurate placement and long-term control of submersed, floating, and emergent aquatic weeds. The pellet expands after entering the water and is well suited to ponds with muck sediments or high organic content.

Active ingredient

Fluridone (5%) on a granular pellet.

Product details & application

• Pellet formulation helps reduce drift and places the herbicide directly in the treatment area.
• Works best in ponds with little to no water flow.
• Weeds typically bleach and decline gradually over 30–90 days.

Key plants / growth controlled

• Hydrilla
• Eurasian watermilfoil
• Coontail
• Elodea
• Naiad
• Fanwort
• Pondweeds
• Duckweed
• Salvinia
• Water lily

Application examples

• General guidance: 8 lb treats approximately 2.0 acre-feet
• 1.0 acre pond: 20 lb
• 0.75 acre pond: 15 lb
• 0.50 acre pond: 10 lb
• 0.25 acre pond: 5 lb

Water use & safety

The supplied information states there are no restrictions on swimming, fishing, or boating, but irrigation restrictions can range from 7–30 days depending on conditions and label directions.

Shipping restrictions

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

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