Setting up first rack-need advice

I am in the process of setting up my first rack system for juveniles and future adult males. I have iris 70 tub per shelf with flex watt heat tape on shelf (or will have when it gets here). It will be run by a herpstat 4. (When it gets here)

My question is do you keep a digital temp/humidity probe in each tub? Or just measure periodically with temp gun? All my individual tanks have their own thermometer on the front. Would love opinion of other folks using racks.


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I keep Acurite Digital Hydrometers in each tub. They give you the temp and humidity and also double check with the temp gun at least once a week.

http://www.amazon.com/AcuRite-00325-...midity+monitor

I just use a temp gun but I may have to check out those Acurite Digital Hydrometers myself.