Quick Summary
The Aqua One Glass Heater is a 55 W glass heater with a stated length of 22 cm. It is described as completely submersible with double insulation, and it has an automatic shut-off and on light.
It is described for marine and tropical set ups of up to 25 litres. That makes the stated aquarium volume and heater output the main checks before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Aqua One. Useful for confirming the exact product line. |
| Product type | Glass heater. This is the main item type to compare against your aquarium needs. |
| Power | 55 W. Compare the stated output with the intended aquarium size. |
| Length | 22 cm. Check this against the space available in the tank. |
| Submersion | Completely submersible. The heater is intended for full water immersion. |
| Insulation | Double insulation. Keep this as a product feature, not a performance promise. |
| Control feature | Automatic shut off and on light. Useful if you want a heater with an automatic response and a visible operating light. |
| Intended setup size | Marine and tropical set ups of up to 25 litres. Check that your aquarium matches this stated size. |
What to Compare Before Buying
- Tank size: This heater is described for set ups of up to 25 litres, so compare that figure with your aquarium volume.
- Physical space: The heater is 22 cm long, so check that it fits the available space in the tank.
- Heating output: The stated output is 55 W. Make sure that matches the heater rating you are looking for.
- Type of setup: It is described for marine and tropical set ups, so confirm that this matches your aquarium type.
Before You Decide
Confirm the 22 cm size, the 55 W rating and the stated up to 25 litres setup size before choosing an offer. The heater is also described as completely submersible with double insulation, so those points matter if you need a fully immersed glass heater.





