OASE Heatup Aquarium Heater, 25W

Keeping your fish comfortable starts with steady, dependable warmth, and the OASE HeatUp Aquarium Heater in the 25-watt size is built to do exactly that. This heater is designed for both marine and freshwater tanks, so whether you keep tropical swimmers or a saltwater setup, it helps create uniform temperature levels across the water your fish call home. The 25-watt model is the smallest in the HeatUp line, a sensible match for smaller aquariums where gentle, consistent heat is all you need.

• Built for both marine and freshwater tanks, so it suits a wide range of aquarium setups.
• Designed to create uniform temperature levels, helping your fish stay comfortable throughout the tank.
• The control system allows accurate readjustment of the temperature within +/- 6F for fine-tuning.
• Includes a post calibration tool so you can dial in the setting after installation.
• The temperature scale can be adjusted between 66F and 90F to fit your aquatic environment.
• Made for submerged use, letting you place it discreetly within the tank.
• Features a thermal shutoff switch for added protection.
• An activated control light displays the heating function at a glance.
• Temperature levels are monitored and controlled by bi-metal technology for automated heating.
• The compact 25-watt rating is a thoughtful fit for smaller aquarium volumes.

For pet parents who want one less thing to fuss over, the HeatUp 25 takes the guesswork out of warmth. You set the scale, the bi-metal technology handles the rest, and the control light keeps you informed without a second glance. The post calibration tool lets you adjust accuracy after setup, and the thermal shutoff switch adds a reassuring layer of protection while it runs submerged. It is a tidy, capable little heater for owners who want their underwater world to stay just right. Give your fish the steady comfort they deserve, and let the OASE HeatUp 25 quietly keep their water in that happy zone day after day.