Originally Posted by fearnofishbob
I use a Fishpond and have found it to be very accurate..... I am thinking about using a longer cord.....say 48" so I can check the temperature at different depths...... would be interesting to see if there is a significant difference at various levels............thats my story and I'm stickin' to it !!
If the water is flowing the difference would be so small I doubt you could measure it unless the thermometer has 0.1 degree increments, and that assumes that pulling it back up wouldn't change it before you had a chance to read it.... Just my theory