Double your invisibility with Yo-Zuri H.D. Fluorocarbon Disappearing Pink. Yo-Zuri H.D. Carbon is a fluorocarbon leader that maximizes the advantages of fluorocarbon with a disappearing pink tint. Fluorocarbon is virtually invisible in the water and red is the first colour to disappear in the water column. Pink is the lightest shade of red and as a result disappears the quickest.