Some underwater photos of both Mono and Fluoro from this tippet shoot out:
http://www.yellowstoneangler.com/gea...r-stoft-umpqua
...here:
http://www.yellowstoneangler.com/index.php/gear-review/tippet-shootout-seaguar-grandmax-trouthunter-orvis-mirage-riopowerflex-pline-dairiki-varivas-sa-climax-maxima-froghair-stoft-umpqua/visibility-underwater
PT/TB