Could your fast-action fly rod use a little extra punch? The Scientific Anglers Frequency Boost Fly Line is a premium-performance, budget-conscious floating line designed to take the struggle out of casting. Built a half-size heavier than standard industry tapers, this general-purpose line loads modern graphite fly rods quickly and gives you the extra power needed to handle heavy wind and bulky flies.
Whether you’re casting small poppers for panfish on a 3-weight or punching massive bass bugs through the breeze on an 8-weight, the Frequency Boost provides smooth shootability and exceptional line control.
Key Features
- Half-size heavy and more powerful than the Trout taper
- Better with larger, heavier flies
- Supple and easy to use
- Versatile mid-length head
- Braided multifilament core
- SA FR BST WF X F (X = line weight)
- Fly Line size 3 – 8
- Weight Forward Floating Fly Line
- 85′
- Willow Color
- Made in the USA
Specifications & Line Weight Application Guide (Sizes 38)
Use this technical breakdown to find the perfect weight-forward (WF) line for your local waters:








