Re: nymphing line, what to use.
for stillwater, I use a intermediate sinking line with a 7 to 9 foot leader/tippet, for rivers, I use a WFF and about 5 to 7 feet of 4lb flouro for the leader/tippet - this works for me.
ex·pe·ri·ence noun \ik-ˈspir-ē-ən(t)s\
1. the fact or state of having been affected by or gained knowledge through direct observation or participation
2. that thing you get just moments after you needed it.