• High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.
  • Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 20°~34°C(65° F - 93° F), and the display is easy to read.
  • Fully Submersible. Power: 50W. Suggested water volume: 5-15 gal.
  • Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.
  • Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock.

Happy with the price/quality/appearance of this heater. Very impressed with the way it was packaged, no fuss securely protecting the glass. It is pretty warm in my tank already (since its the summer) so this is more of an advance purchase (for winter) because I liked the heater price/appearance and adjustable temperature control. I did test it in the tank and it started warming the water quickly but gently. Will try to update once heater is in regular use.

Works great ...easy to use, the directions are self explanatory. The knob for temp control is a little stiff other than that, this heater is doing its job around the clock. I would buy again if needed.

Had the heater for about a week and so far it works great, I love the visual dial so it can be precisely set to the temperature you need.

So far so good, no issues as of yet. I use this in my 25gal saltwater mixer container to heat and mix my salt. So far it still remains efficient when I make my saltwater.

Works perfectly! My fish are thriving and the water temp is perfect!

Got this (100 watt- overkill I know.) for my 5 gallon betta tank. I'm planning on moving it to my 30 gallon now that I know it works consistantly. I was afraid after reading the reviews, but I've had it over 2 weeks and it has stayed at the temp I set it at without any spikes or troubles.

Mine is working well. It maintains a consistent temperature. When I adjust the temperature I usually wait until the next morning to verify the setting, once established the heater is consistent and reliable.

Came fast right on time. Seems to be a good one so far. I been in this hobby a long time & you have to watch what u buy because there's a lot of cheep maid ones. So far this seems to be well built. Good quality. And great price. Get what u pay for

I ordered two of these heaters for our 10 gallon breeding tanks. They work great and so far appear to be quite accurate. I’ve sporadically checked the temperature with a secondary thermometer since I put them in the tanks and it matches the setting on the heaters.