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Product: hvdor theo heater

Description: the hvdor theo heater uses two suction cups to stick to the tank glass. It has a small red light to indicate when it is on or off.

Advantages: This heater actually provides entertainment for my betta. He swims inbetween the glass and the heater whilst patrolling the tank. The temperature of the tank only fluctuates a maximum of 1°C. You can control the temperature with an easy to use dial, on the top of the heater. My heater is set to 25°C and the most i have ever seen my tank fluctuate to is 26°C. It never goes below 25°C, and it never goes above 26°C. Also, you can get this heater free with any tropical BiOrb kit. This heater is incredibly easy to set-up

Disadvantages: Although the temperature only ever fluctuates by 1°C, there are heaters that don't fluctuate the temperature at all. I don't find 1°C of fluctuation a problem at all however. Other than that, this heater is perfect.

Do i like it: Yes! It has never broke down on me, and my fish are in perfect condition. I highly reccomend it to anyone, who likes easy, quick to use electricals! =]