Finnex 300-Watt Hang-On Electronic Controller Aquarium Heater, Titanium Tube, 80 to 100-Gallon

I used this heater in my 650 gallon pond all winter. It kept the water between 60-70 degrees. Amazing! So much better than glass heaters.

My wife bought a Finnex 300W heater in May 2009. Last week, it overheated, and killed all her fish! She had over $400 worth of freshwater fish in the tank, they were all dead when we got up in the morning. The water temperature in the tank was over 100 degrees C! Don't buy from Finnex!!!

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This was my first experience with a titanium heater and so far I LOVE it! I had done a good bit of research and learned that the biggest problem with titanium heaters is sometimes they do too well of a job and overheat the tank so I decided to go a bit smaller than I needed in the hopes that it would keep my tank warm enough but not be capable of overheating it should a problem occur. I have a 260 gallon (freshwater setup) that this heater maintains between 75-80 degrees with absolutely no trouble...it doesn't even run all the time like I expected it might. I do keep a separate thermometer that I can use to compare the heater (on the opposite side of the tank) with and so far it is true to temp. I like the fact that it lays horizontally in the back because it is easily hidden and doesn't stand out like some of the other heaters do. I don't worry about it breaking like glass heaters have been known to do. I will be purchasing a smaller wattage heater to replace the glass heater in my 55 gallon aquarium as well. I think one key to good temp is good water flow so that the temp is even across the tank and there are no hot and cold spots. I've had that problem with heaters that must hang on the sides but not with this one so far. Great purchase and I'll surely be getting another!

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this heater works great. i dont use the heater for the house only a space one in my room and this little heater keepts my 150 warm all winter long with no huge electric bill. get one

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The HMA 300 titanium 300 watt aquarium heater I bought some time ago. I really like this tank heater it hasn't failed me at all. I like the control on the outside of the tank you don't have to pull the heater from the tank to ajust temp. The only thing is you have to have a good thermometer as the control that you set the temprature with is not right on. But then any heater is not right on. Because you have lighting that changes the water temp during the day as does any sun light that might hit your tank. I would recamend this heat to anyone that has a larger aquarium. I am using this heater in a 55 gallon tank and it holds the temp within a coupel of degress of the setting. And the titanium tube will not brake like the glass heaters. When you first set temp make sure you watch tank temp until it ajust so you don't boil your fish friends. You should do this with any tank heater.I would say set the temp a little low to start with by about 5 dgrees and bring temp up slowly so you don't shock your fish by bring temp up or down to fast.

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