Originally Posted by
eddie_m
Thinner line helps get the lure down deeper with less resistance so you can fish deeper or with lighter baits and keep the lure on the bottom. It also gives a little smaller vibration in the water, so the fish may be turned off from your lure a little less. With a good fluorocarbon line, I'm not sure they can see the larger line, but I only used 8lb line when winter fishing at Dale this year. And I got outfitted by Geofisher this winter when he was using 6lb. Not sure if the line size was the difference, but...