You can buy the world’s strongest braid, but if your knot is wrong, you’re fighting with 40% of your line’s rated strength. I’ve tested over a dozen knots on a digital scale. Here is the hard data.

The Champion: Palomar Knot
Strength retained: 95-98%.
This is the undisputed king for braided and fluorocarbon lines. Double the line, pass it through the eye, tie a simple overhand knot, then pass the loop over the entire lure/hook. Wet it, cinch it, trim the tag. It’s ridiculously simple and almost never fails. If you learn only one knot, make it this one.

The Runner-Up: Improved Clinch Knot
Strength retained: 85-90% (mono) / 75-80% (fluoro).
The classic. Works beautifully on monofilament because the line’s stretch helps the coils lock together. But here is the killer detail: you MUST make 5-7 wraps (not 3-4). Fewer wraps slip. More wraps create friction burn. And always—always—lubricate with saliva before pulling tight. Dry fluorocarbon friction generates heat that weakens the line at the knot.

The Specialist: FG Knot (Line-to-Leader)
Strength retained: 90-95%.
This is the most complicated knot you will ever learn, but it’s the only one that passes through micro-guides seamlessly. It’s a braid-to-fluoro connection that is thinner than most guide inserts. Spend an evening practicing this with a YouTube video. Once mastered, you will never use a swivel again. The FG knot is the mark of a serious angler.

The Knot I Avoid: The Double Overhand (aka “The Death Knot”)
Strength retained: below 60%.
Used by lazy anglers to join two lines quickly. It creates a sharp 90-degree bend that cuts into itself under pressure. I have seen 30lb mono break at 12lb with this knot. Just say no.

Golden Rule: Test every knot by pulling it hard before your first cast. If it slips or breaks at the bench, it would have broken on a trophy fish. Retie after every 3-4 fish or whenever you feel the knot drag against rocks.