N nautilus Feeder Fish MFK Member Jan 15, 2011 8 0 0 Canada Mar 14, 2011 #11 cheapie mercury ones. find that digital ones don't always give an accurate reading
S stevent Feeder Fish MFK Member Feb 19, 2010 17 0 0 US Mar 14, 2011 #12 I use glass thermometers on my community tanks, but I would use digital thermometers on tanks w/ large fishes.
I use glass thermometers on my community tanks, but I would use digital thermometers on tanks w/ large fishes.
