Battery backup for Fish Aquarium?
tsupersonic1986 asked:
So, a friend has this fish tank: http://www.aquavistainc.com/products.html
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So, a friend has this fish tank: http://www.aquavistainc.com/products.html
Yesterday night, the power went out, and the heater was supposed to default to 77 degrees Fahrenheit (25 Celsius) when the power came back on, but for some reason, it went to 113 degrees Fahrenheit (45 Celsius). This ended up killing the poor fish. 
What she wants is a battery backup so that if power does go out, they would like the tank to maintain temperature.
I know the tank uses 0.125 KW or 125 Watts.
Can anyone recommend a solution?
Edit: The entire tank (airstone,filter,heater,light) is run by a single power cord.
January 14th, 2009 at 1:54 pm
Short of buying a generator there is no battery backups for heaters.The only battery back upunit I know of are air pumps.I had a heater mess up on me once and the temp went to 100 but luckily I didn’t lose my fish..I would suggest she throw the heater away and buy a new one heaters are not supposed to do that no matter how many times the power goes out.The problem is with the heater,
January 17th, 2009 at 7:28 pm
First, replace the obviously faulty heater unit. I would suggest you try contacting a few of the companies that make battery back ups for computers. They could suggest a back up that would work for a certain length of time. Of course, the longer it lasts the more it would cost. Using that little power, a back up to last a few hours shouldn’t cost too much.
MM
January 18th, 2009 at 7:21 am
Battery back are for an air pump! I have ten aquariums and we have had to invest in a generator for our aquariums! We do have frequent power outages as we live in the country!
January 20th, 2009 at 7:22 am
Magicman116 said the same thing I was going to suggest. You can get them good enough to run a computer for several hours so the would last much longer on a tank heater and air pump.
Get a new heater, that one is bad. I recommend a stainless steel submergable. It will have a seperate temperature probe and a dial control that you can lay down or mount one the wall. A dial control will not mess up from power surges or outages.