Many anglers obsess over breaking strain — but when it comes to how your bait actually behaves in the water, diameter often matters far more.
Thicker line creates significantly more water resistance (drag). This slows your drift, lifts your bait unnaturally, and can even pull it out of the strike zone. In strong sidewash, heavy-diameter line acts like a sail — bowing badly and reducing sensitivity to subtle bites.
Thinner line slices through the water far more efficiently. It allows your sinker to hold bottom, keeps your bait moving naturally, and dramatically improves bite detection by reducing belly in the line. This is critical when fishing channels, gutters, or targeting wary species in clean water.
That said — thinner isn’t always better. You still need enough strength for structure, target species, casting force, and abrasion resistance.
Takeaway
Use the thinnest line you can safely get away with for the conditions.
Even small reductions in diameter can produce huge improvements in drift control, presentation, and ultimately — more bites.