1) I use 20# or 30# Superbraid casting for Stripers. I tie on the equivalent pound flourocarbon leader, about 20' - 40'.
2) I also use 20# Superbraid on a reel using Downriggers trolling for Trout. Here I use about 100' of fluorocarbon leader, a little lighter, about 8# to 12#.
One tip I have...