[quote author=AaronJasper link=topic=4688.msg36562#msg36562 date=1281139480]
Nymphing "Fine Tuning"
I also played around with tippet sizes, and I noticed that 6X got me many more takes than 5X. Was this due to the flourocarbon being invisible to the fish, or the thinner diameter leader being more supple and allowing my flies to drift more naturally, or a third possibility of the leader allowing me to get my flies into the zone that the fish were feeding in? I suspect that the answer in this case would be D, or all of the above.
http://flyfishingevolution.com/?p=587
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We're technically talking sub-surface which I don't fish other than streamers, but the tippet productivity thing when fishing dries, regardless of whether it's mono or flouro, is almost entirely relative to the thinner tippet naturally making the angler "less inclined" to impart drag on the fly which in turn allows a higher percentage of presentations to go from "off-putting" to "acceptable" resulting in more takes/hook-ups. I might buy something stating, particularly sub-surface, that flouro is more transparent and in turn causes little to no light refractivity as this seems completely rational, however keep in mind (aside from the product needing a selling point to market it effectively) it's also based on the premise that the refractivity of mono is the "sole off-putting aspect" of the entire presentation which I'm not so inclined to believe in the vast majority of cases since way way way too many fish for much much too long on even the most heavily pressured water systems have been consistently taken on mono tippet material for that to have much merit...plus on top of that when fishing at low light late in the day (ie; the so called "magic hour" before dark) many times light refractivity, particularly with any appreciable amount of overhead tree cover, is almost entirely insignificant at that time of the day in comparison to someone fishing Greenwoods at 3pm in July....but yea anyway here's a link on "fly fishing myths" which, if nothing else, you should at least find some of the stuff pretty interesting: http://www.flyline.com/tips_trivia/myths_legends_lies/