On Tue, 24 Nov 2009 14:58:00 -0500, Tom Francis - SWSports
wrote:

I will say this - outside of lab quality dissolved oxygen sensors,
they ain't worth crap to be honest.

They work on the same principle as the thnigy they put on your finger
in the hospital.

Horse****. The one in the hospital looks at the color of the
hemoglobin. **** all to do with dissolved anything.

Casady