May 22, 2015 #1 markak Active Member View Badges Joined Nov 21, 2009 Messages 449 Reaction score 61 Location PA Rating - 0% 0 0 0 What are you using to get an accurate temp, to calabrate your tempature probes?
May 22, 2015 #2 diablomaster9045 Well-Known Member View Badges Showcase Editor SMMAS Member My Aquarium Showcase Joined May 1, 2013 Messages 572 Reaction score 347 Location Sterling, VA Rating - 0% 0 0 0 I use a hand held mercury thermometer to check my temp probe about once every 2 months.
