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FarSounder recommends Propseed’s Foulfree for its line of 3D forward-looking sonar transducers

Propspeed, leading innovator of underwater foul-release coatings, announced today it has received an endorsement from FarSounder. Globally recognized pioneer in navigation and obstacle avoidance systems, FarSounder has tested the Propspeed Foulfree foul-release coating and recommends it for application by their customers, dealers and partner shipyards.

“Our unique, patented technology is designed to paint a clear picture of what lies ahead underwater and along the bottom,” said Cheryl Zimmerman, CEO, FarSounder. “Marine growth on our transducers could limit the effectiveness of our products and potentially put a vessel in a hazardous situation. When choosing a partner, it is also important to us that they are eco-friendly. Foulfree is a specialized foul-release coating that is biocide-free and does not poison marine growth.”

Pictured: Chris Baird

The FarSounder line of Argos navigation systems are globally recognized as the cutting-edge of 3D forward-looking sonar systems.

The Argos 1000, Argos 500, and Argos 350 provide customers with a whole suite of sophisticated navigation capabilities of interest to vessels ranging from luxury yachts to cruise ships to research vessels.

“We are proud to be tested and recommended by such a well-regarded brand,” said Chris Baird, CEO, Propspeed.

“The FarSounder collision avoidance sonar technology is integral to the safety of ocean-going vessels and Foulfree has proven once again to effectively protect transducers with no degradation in performance.”

Designed by industry-leading engineers and certified by Airmar to result in no loss in transducer performance once applied, Foulfree releases marine growth, reducing the maintenance needed to keep transducers clean and streamlining water flow.bFoulfree is a specialized foul-release coating that is biocide-free and does not poison marine growth. Once cured, Foulfree forms a super-slippery surface over the transducer, preventing marine growth from attaching to its surface. Offering a long service life – it lasts a minimum of 12 months, with an even longer life span in cooler climates.

Propspeed products include Propspeed for running gear and any underwater metals, Foulfree for transducers and Lightspeed for underwater lighting. For more information on Propspeed or its premium coatings, please visit