Kelly all good ideas. I was just throwing out ways to reduce the variables. IMO the temp measurements would not have to extend for a very long time, probably two to three weeks until the dyed pond temps equalize and 'catch-up' with the control pond.

Last edited by Bill Cody; 01/31/11 07:42 PM.

aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management