Hydor Slim Heater for Bettas, Bowls and Aquariums
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- Helps guarantee your fish a healthy life by promoting the ideal water temperature
- Plug and play
- No temperature to set
- Can be positioned under gravel
- 90-Degree Angle for perfect betta bowl fit
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Betta slim heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your bowl, aquarium or terrarium an average of 5 to 10-degree warmer than room temperature.
Size: 7.5 Watt, Round, up to 5 gal
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I do not know if this thing is UL or CSA tested for safety, but certainly worth investigation. Made in China, so I doubt it.
Be sure to really wash this product, it tends to build up water spots and seems to get slimier than everything else in the tank.
Unfortunately this heater does not have any temperature controls, and I don't think it adjusts if it noticies any discrepencies in temperature, therefore you do have to monitor your tank closely to determine whether the heat is too much.
This is absolutely perfect for my uses and I love that I can use this as an undergravel heater and it doesn't make my tank look hideous.
I often find my betta huddling near it for added warmth which I find absolutely adorable.
Overall, this heater is absolutely perfect for a nanotank.
The problem is without warning the heater fails to work. Drops the tank to ambient. Without constant checking on the thermometer this can be a dangerous situation.
2 of 4 have failed within a month. I am NOT hopeful for the others. Absolutely zero support for warranty or support. Calls and emails go unanswered. For something so critical I am concerned the quality is so poor.