Modern fly lines are surprisingly durable and as long as you don’t drag them through gravel or cast them on asphalt, they last for years with minimal care. Learn just how durable fly lines are, and the proper way to keep them slick and high-floating. It’s easier than you think, and you don’t need any special gear.

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Also look at:
https://flyfishing-blog.com/flyfishing-blog.com/2022/05/10/orvis-the-12-must-have-trout-flies/
https://flyfishing-blog.com/flyfishing-blog.com/2022/05/09/orvis-the-only-three-fly-fishing-knots-you-need-on-the-water/
https://flyfishing-blog.com/flyfishing-blog.com/2022/04/20/orvis-tips-for-safe-wading/