Nymph Fishing Fly LinesCasting a nymph setup with weight can be difficult. Thankfully there are fly lines built specifically for nymph fishing will roll cast and mend strike indicators very effectively. These lines aren't great for dry fly fishing because they hit the water a bit hard but will work well enough if you need them to. These fly lines will make it much easier for anglers to roll cast two fly setups, weight, and strike indicators. You'll be more effective with these lines and put more fish in the net.