Deep Blue Heat Stik Mini Submersible Heater 30 Watt
The 30W Mini Submersible Heater is designed for reliable and consistent water temperature control in freshwater and marine aquariums.
- Fully submersible – can be placed anywhere in the tank without risk of damage
- Slim and compact design – easily concealed behind ornaments and decorations
- Perfect for desktop or small aquarium systems
- Preprogrammed temperature control – no manual adjustments required
- Safe for use in both freshwater and marine environments
| Feature | Specification |
|---|---|
| Power | 30W |
| Material | Stainless steel body, durable plastic housing |
| Operating Temperature | 50°F to 86°F (10°C to 30°C) |
| Water Type | Freshwater & Marine |
| Item Number | ADB12883 |
FAQ
Can this heater be used in a marine aquarium?
Yes, the Deep Blue Heat Stik Mini is safe for use in both freshwater and marine aquaria.
Is the heater easy to install?
Yes, it is fully submersible and requires no adjustments. Simply place it in the tank and it will maintain the desired temperature.
Can I hide the heater behind decorations?
Yes, its slim and compact design allows it to be concealed behind ornaments and decorations.

Elizabeth Dickens –
Works perfectly in my 10-gallon freshwater tank. The heater is small and fits nicely behind a rock formation. No issues with temperature stability or power. Easy to install and has been running smoothly for over three months.
Julian Ross –
I placed it in my marine tank with corals and it maintains a steady temperature. The design is compact and doesn’t interfere with the visual appeal. A reliable choice for small setups.
Jennifer Dowd –
Great for a desktop aquarium. It’s quiet, doesn’t draw attention, and keeps the water temperature consistent. No need to adjust settings—just plug in and go.