I list my tank heater for about 3 days while I was out of town. The person I had watching my house for me told my my 400 watt aquarium heater for one of my tanks was not working. Now that I'm back I just replaced the heater with a new one but my two mono's are real dark. Could it be since they were used to water around 85-86 and they were in water around 80 for the last 4 days?
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Sent from my iPhone using MonsterAquariaNetwork app