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48 inch or 52 inch pulsator rod in ultra light. Nothing beats long roding crappies in shallow water 2 to 8 feet.
A medium rod will be your best bet. Has lots of power to drive the hook home and is still sensitive. If it is not sensitive enough use a spring bobber.
I'd rather carry 2 identical rods with a small bag full of extra reel spools than carry 4 to 8 rods and waste time making decisions on which one to use !