I don't think you need a fluoro leader, but if you do just use a carolina rigged pyramid or bank sinker. If you're straight tying, tie a 2 foot long spider hitch into the line. Cut the loop where you have 2 tag ends. One end about 8" long. Tie a snap swivel on that end and attach the sinker (so you can change out depending on tides without having to re-tie). On the long tag end tie your hook.
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