[header] How to troll for crappie [title] Determine the depth the crappie are using. [step] You can do this by looking at your depth finder as you zig-zag slowly along. Crappie hang out in schools and will appear as christmas tree shapes or lots of streaks. 
[title] Jigs and grubs are ideal for trolling. [step] They are cheap and easy to rig up, and the tails make good swimming movements in the water.