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Home > Conservation Education > Fishing and Environmental Science Help for Scouts > BSA Fly Fishing Merit Badge
Fly Fishing Merit Badge book for the Boy Scouts has some dated information on leaders.
Fly leaders are rated by diameter given as a number followed by an "X." The pound test given in the book is old leader material. Newly manufactored leaders have a much higher breaking strength for the diameter of line. The size fly used with each leader remains the same. A rough rule of thumb is to divide your fly size by three to obtain a leader size. In Alabama, one can use a little stronger leader. Visibility is not the only criteria in leader selection one must consider when choosing a leader for a fly. Another tip is that the new fluorocarbon leaders sink; therefore, fluorocarbon leaders are not the best choice for popping bugs or other dry flies.
Fly Size, Breaking Strength, and Fly Leader or Tippet Sizes
Some of this information came from Fly-Fishing Tactics available through American Fly-Fishing Trade Association. The Discover Fly Fishing Web site was developed by the American Fly-Fishing Trade Association (AFFTA) to help people interested in the sport of fly fishing get a good head start. You may register with the site to obtain Fly-Fishing Tactics. (The Alabama Division of Wildlife and Freshwater Fisheries has no control over the AFFTA site nor the use of your registration informtion.)