Marker, Sea Dye | Life Support International, Inc.
File:Sea dye marker.JPG - Wikimedia Commons
Plastimo Sea Marker Dye | Force 4 Chandlery
9News Sydney on Twitter: "UPDATE: Marker dye has been thrown into the water at Turimetta to help identify speed and ocean current direction. https://t.co/2O0sQA8nPv"
Sea Dye Markers – Sea Rescue Devices by Presto Dyechem