Strawberry from a tube.

[tlspyder13]

I understand most of what has been shared except for 'depth charge'. What is a depth charge and do they come in grains other than 250? Is that heavy or light or in the middle?[crazy] If your fishing on the bottom like that do you cast and retrieve or could you just put your line out wait to sink and then kick around in your tube? I have drug a white tube jig around behind me in my tube and haven't done too bad last year. Wondered if you fish the fly that way or do you stay in one place and just cast and retrieve most of the time?
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