I prefer 50-60#powerpro for casting on round style baitcaster w/7'6-8'hvy rod.Troll with 65#pwrpro and actually run 2rods with 20#gamma and spiderwire supermono(1ea)Magda20 linecounter reels 7'hvy ugly stik..80#floro for leader-mon rods i run the most trolling and have yet to have a problem,works great.Good luck
Bob