Tetra HT Submersible Heater 200 Watts, For Aquariums 40 To 55 Gallons, UL Listed

from tiffany

Bought this in June and at first it seemed to work great but then a couple weeks went buy and it literally melted and burned itself from the inside out. Killed all of our plecos we had and everything. Very disappointed

from Jessica0324

I bought two heaters about two and a half years ago. I loved them. They worked great and I never had to worry... until last week. One morning I noticed all my fish dead when they were fine when I went to sleep the night before. I didn't have a chance to take them out of the tank, so I didn't feel...

from MissA

Was good while it lasted... After about 3 years of sporadic use, it over heated the tank by 10°C!!! Hopefully my betta survived..

from courie

It's a bit big for the 1.5 gallon tank but it doesn't over heat it at all. It stays exactly in the green area of the thermometer for tropical fish which is great because we use this little tank for our swordtail fry. Our last heater by someone else, kept going above the green area well into the 9...

from SuzieQinMN

Not sure why so many negative reviews. I allowed ours to “break in” for about a week and it's constantly warming at or around 76-78 degrees. Our fish are active & healthy.The light does periodically go back/forth green & red but it's supposed to as temperatures fluctuate throughout the day. I rec...