Deep Blue Heat Stik Submersible Quartz Heater 13″ – 100 Watt
The 100W submersible quartz heater features a maximum strength quartz silica tube that is shatter resistant and more durable than conventional glass heaters. The “Easy Set” thermostat provides precise and accurate thermal control. Includes a gravel guard and suction mounting brackets for use in both horizontal and vertical positions. Fully submersible and safe for use in both freshwater and marine aquariums.
| Specification | Detail |
|---|---|
| Heating Power | 100W |
| Heater Type | Quartz Silica Tube |
| Thermostat | Easy Set |
| Mounting | Suction Brackets with Gravel Guard |
| Submersion | Completely Submersible |
| Compatibility | Freshwater & Marine Aquariums |
FAQ
Can this heater be used in a marine aquarium?
Yes, this heater is safe and reliable for both freshwater and marine aquariums.
Is the quartz tube durable and resistant to breaking?
Yes, the heater features a maximum strength quartz silica tube that is shatter resistant and more durable than conventional glass heaters.
How does the thermostat work?
The “Easy Set” thermostat provides precise and accurate thermal control, maintaining the desired water temperature.

Virginia Harris –
Installed the heater in my 55-gallon marine tank. It maintains stable water temperature even during temperature fluctuations. The quartz tube is sturdy and hasn’t cracked after several months of use. Easy to mount with the suction brackets and gravel guard keeps the heater secure.
Luke Parr –
Works well in my freshwater setup. The thermostat keeps the temperature consistent. I appreciate the durable quartz tube—no breakage even after rough handling during installation.
Carolyn Pullman –
Perfect for a vertical tank setup. The suction brackets hold firmly, and the gravel guard prevents debris from clogging. Temperature control is accurate and reliable over several weeks of use.