Originally Posted by rich311k
It is not unusual for thermometers do be slightly off. If you go the store and look at the ones on display you will be amazed at the different readings on all of them. The tow you have are only a degree apart, assume halfway is right and go with that. An exact reading is not all that important a degree or two will not bother the fish.
+1 One degree difference is within acceptable range of error for two different everyday thermometers. Keeping a stable temp via a reliable heater is the key.
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