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Hi my powers gonna be out for a few hours and I got a nano marine tank and a 20 gallon fresh tank what should I do will the fish be alright for an hour or 2?
it shouldn't cause a problem. if you want to be sure, just wrap the sw tank with a blanket...itll help with heat. ive accidentally left my house with my refugium off on my 125(where my heaters are) for several hours and they have been fine.
on the nano id swish the water every once in a while to aid in gas exchange at least once an hr for 2-5 min. also a battery operated air pump can save you a lot of headaches i got mine at W-mart or most bait shops have them there called minnow bubblers