i currently have a 20 long (i know tanks suck) in the process of upgrade.
temps are 90-92 hot side 80-82 cool side humity right around 55. all digital readers. i use che bulbs last time i used under tank heater my dang rheostate broke tank hit 110 messed my BP up pretty bad,he got real bad nervus system proplems.im in the process of makeing a rack system useing flexwatt and a good thermostate.