So I have a slight curve in the neck of my 6 String bass that I would like to get rid of.

But im a little worried to mess with it becuse is has 2 truss rods. And my 1st question is that do all 6 stringers have 2 tuss rods? And do I turn them both the same direction or the oppisite way?

Not all 6 stringers have 2 truss rods. Rickenbacker 4 stringers have dual truss rods, in comparison.

You turn them the same way. You have 2 in order that you can adjust them differently if the neck warps.
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