Being able to see your line is often critical in helping determine bites when your line is only swimming off after a subtle Bite.   night fishing presents one of the greatest challenges to seeing your line effectively.   for years Only nylon lines were available in high visibility under black lights.   new for 2019, Sunline has designed the Ultimate night fishing fluorocarbon line.   night FC was specifically designed for angling at night.   it is highly visible under black light, so an angler is able to see his lines at all times.   night FC is 100% fluorocarbon providing all the benefits of fluorocarbon lines Like high abrasion resistance, lower stretch and greater sensitivity while featuring a high visibility Blue coloring.   the Blue coloring glows under black light for easy visibility during night or day.   night FC comes in a 165yd spool and is available in 12lb, 15lb, 17lb, 20lb and 25lb.