Freshwater Aquariums For Dummies
- ...e switched by pressing and holding the button for a few seconds. To set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again..
- 【Wide Range of Use】This 300 watt adjustable aquarium heater is suitable for many occasions. The fish market is a common place for us. It can maintain the freshness of fish. They are also suitable for places where aquatic life such as fish tanks, aquariums, and small fish ponds are kept. There are strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged..