2 factors to consider and they work in combination.
1) Clearer the water, the further away the tips should be. The murkier the water, the less rod tip distance matters.
2) The deeper your fishing, the less rod tip distance matters. The shallower the water, the more rod tip distance matters.
You already stated your water is murky. How deep are you fishing? Deep- your fine. Shallow- longer rods might help. Assuming you are having problems now. Longer rods introduce other problems, like storage and management.
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