Zoo Med Programmable Aquarium Heater
Zoo Med’s Programmable Aquarium Heaters will keep your aquatic pets at the right temperature, no matter what their requirements.
- Available in 25, 50, 100, 150, and 300 watts, so it will heat aquariums as small as 7 gallons and as large as 100 gallons.
- With a programmable range from 68-93°F and a simple-to-use single-button controller, you can keep a variety of species comfortable.
- Equipped with an auto-shutoff feature that will engage if the heater is removed from water, you can rest easy knowing that your pet’s safety is our priority.
- The easy-to-read digital display will show the current water temperature.
| Wattage | Compatible Tank Size |
|---|---|
| 25W | 7 gallons and up |
| 50W | 7 to 20 gallons |
| 100W | 20 to 50 gallons |
| 150W | 50 to 100 gallons |
| 300W | 100 gallons and up |
FAQ
What is the temperature range of the programmable heater?
The heater can be programmed to maintain water temperatures between 68°F and 93°F.
Does the heater have a safety feature to prevent overheating?
Yes, it has an auto-shutoff feature that activates if the heater is removed from water.
Can I set a specific temperature for my fish tank using the controller?
Yes, the single-button controller allows you to easily set and maintain a desired temperature within the 68-93°F range.




Kevin Morrison –
This heater works perfectly for my 30-gallon tank. The digital display is clear and I can set the temperature easily. It maintains a steady heat and the auto-shutoff is a great safety feature. My fish have been very active since I installed it.
Dorothy Hamilton –
I’ve used this for two months now and it’s kept my tank at a consistent temperature. The 100W model fits my 40-gallon tank well. It’s simple to operate and the temperature stays stable even during temperature drops.
Ryan Hamilton –
Great value for the programmable function. I set it to 78°F for my betta and it stays there without fluctuations. The auto-shutoff gives me peace of mind when I’m not near the tank.