AQQA Aquarium Heater 1000W for 1... vs hygger Aquarium Heater,500W/800W...

The instructions are mostly clear and it's easy to use. The control is simple to use having only one button. One issue i have with the controller is that the plastic cover over the display is not very clear.

Aqqa submersible aquarium heater 500w/800w for 66-220 gallon fish tank heater works well. I use it to heat my 300gallon pond so far so good, does a creat job pond is in my garage it has kept the water warm during the winters.

This heater has a hard abs plastic outer case, and two glass sleeved heaters inside the plastic case. It feels very well made and not cheaply made. Inside the box is foam packaging holding it securely in place.

When you buy this and follow the directions this heater will work fantastically. It does the job! Your products remain top notch in my book! Of course many heaters as well.

Accuracy is good as i tested with another thermometer and was within 1 degree. Keeps the temperature perfect. Even with a plus or minus 15deg room temp swing in 8hrs up and down.

This hygger heater is a real upgrade from a glass tube aquarium heater. The heater has a much nicer look compared to a tube heater. It's compact, doesn't take up too much space and does the job.

This heater is being utilized in one of my smaller tanks with is sized at 20-gallons. I have a 10 gallon tank with a betta and snails. The only thing i am wondering about is how easy this heater can be cleaned once algae starts to grow on its shell an...  Read More

It heats up but the temp control doesn't work. Returned due to lack of quality control.