Scientific Anglers Sonar T-9 Fly Line – Dark Purple (Sold by the Foot)

The Scientific Anglers Sonar T-9 Fly Line – Dark Purple is a high-performance sinking fly line available by the foot, giving anglers the flexibility to build fully customized setups without the need for a full bulk spool. Designed for deep-water presentations, this line delivers consistent sink rates and reliable control when targeting fish holding in deeper zones.

Built by Scientific Anglers, this T-9 line is ideal for cutting precise lengths for shooting heads, replacement sections, or fine-tuning your fly fishing system. The dark purple colour makes it easy to identify on the water and at the tying bench, while maintaining a clean, professional look.

Whether you're dialing in a trolling setup, working streamers, or building custom fly line configurations, this per-foot option helps reduce waste and gives you complete control over your rig. A practical choice for anglers who want proven performance with the flexibility to match their exact fishing needs.