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When it comes to aquatic weed control, ask for Sonar from SePRO by name.

  • Proven success in aquatic weed control for more than 23 years
  • Key ingredients to restore the natural balance of your water body
  • Backed by industry-leading experts and scientists
  • A proud product of North Carolina (USA)

If you shop around you might find something cheaper, but those savings disappear when you don't get the results you expect.  Sonar keeps your water weed-free* all season.  Guaranteed.

Skip the frustration and trial-and-error. Take control of aquatic weeds with Sonar.

Welcome to Sonar.

  • Expert support.
  • Full-season guarantee*.
  • Aquatic solutions leader.

Go guaranteed.  Go SePRO.

*Applies to weeds controlled that are indicated on the product label. Must follow recommended prescription and/or label instructions.

Questions? Contact us for more information.