Hi James.
Since you are comparing with the Smallstream, and knowing how/where you fish, I'm guessing that you are probably thinking about the Midge Tip line for float tubing?
It should be a good choice for tubing, as like the Troutstream, this line is very versatile.
Cheers
Mike
Smallstream Line: https://www.flylineshop.com/barrio-smallstream-fly-line.htmlLine profile: individually customised, with each line size refined for presentation in that weight. ( plus compound tapers within these main tapers )
Head length: 24ft
Front taper & tip: 14ft
Belly: 7ft
Rear taper: 3ft
Running line: 66ft
Midge Tip Line: https://www.flylineshop.com/barrio-midge-tip-fly-lines.htmlLine profile: individually customised, with each line size refined for presentation in that weight. ( plus compound tapers within these main tapers )
Head length: 30ft
Front taper & tip: 9ft ( including a 3ft intermediate section with a sink rate of approx 1.5 - 2.0 IPS )
Belly: 14ft
Rear taper: 7ft