Deep Blue Heat Stik Submersible Quartz Heater 10″ – 50 Watt
50W submersible quartz heater with a shatter-resistant quartz silica tube, 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 | 50W |
| 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 both freshwater and saltwater aquariums?
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 shatter-resistant quartz silica tube that is more durable than conventional glass heaters.
Can it be mounted horizontally or vertically?
Yes, the suction mounting brackets allow for horizontal or vertical positioning.

Joe Rutherford –
Installed the heater in my 55-gallon marine tank. It maintains a steady temperature without overheating. The quartz tube is sturdy and the thermostat works smoothly. No leaks or issues after two months of use.
Olivia Lambert –
Works well in my freshwater tank. The gravel guard prevents sand from clogging the heater. Easy to install with the suction brackets. Temperature stays consistent even during temperature fluctuations.
Wanda Welch –
I’ve had this heater for over three months and it’s still performing reliably. The easy thermostat makes temperature adjustment simple. No breakage even after rough handling during tank cleaning.