This heater incorporates a PTC heating element that self-limits temperature rise should the heater accidentally come out of the water while plugged-in. Other heaters can become dangerously hot and present a significant fire hazard - so the PTC element is a very desirable safety feature. For extra safety be sure to plug it into GFCI-protected outlet to in case of physical damage to the cord or glass housing.
Verified purchase: Yes | Condition: New
This is the only heater I use for all my tanks. its easy to use and it will automatically shut off once the water has reached the temp you set it on. I love this item
Verified purchase: Yes | Condition: New
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Verified purchase: Yes | Condition: New
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