Cleaning and Maintaining the Transducer

NOTICE

Clean your transducer periodically for easier cleaning and check it for damage. Aquatic fouling accumulates quickly, especially in salt water, and can interfere with the sonar signal. Cleaning the transducer incorrectly can damage its face or mounting.

NOTICE

Clean your transducer with a water-dampened cloth and mild detergent. Chemical cleaners may weaken the plastic and damage the transducer.

  • Check your transducer's installation instructions for cleaning tips.
  • Do not use sharp tools or scrapers that can scratch the face of the transducer or cause the transducer mounting to leak.
  • To clean off severe fouling, use a scratch-free pad with mild detergent and water to avoid scratching the face of the transducer.

If applicable for your model, apply a water-based, anti-fouling coating to the external parts of the transducer to help keep it clean and ensure optimal performance. See your transducer installation instructions for more information.

If your in-hull transducer is not performing as expected, you may need to refill its tank or chamber using non-toxic RV/marine antifreeze or mineral oil1.

1 Using any other fluid type is not recommended and could void the warranty of the transducer.
GUID-D86E00AF-F9B3-497A-9F52-6EE1C2E12A51 v2
September 2026