Quick Summary
The Aqua One Glass Heater is a 200 W glass heater with a stated length of 27.5 cm. It is described as completely submersible and double insulated, with an automatic shut off and on light.
The heater is presented for marine and tropical set ups up to 25 litres. Before choosing, check that the size, output and aquarium volume match the setup you plan to heat.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Aqua One, so the heater can be matched to the same range if you are looking for a like-for-like replacement. |
| Product type | Glass heater, intended for aquarium use. |
| Length | 27.5 cm, which matters for tank space and positioning. |
| Power | 200 W, a key check for the intended aquarium size. |
| Water use | Completely submersible, so the heater is intended to operate fully in water. |
| Insulation | Double insulated. |
| Indicator | Automatic shut off and on light. |
| Intended setup | Marine and tropical set ups up to 25 litres. |
What to Compare Before Buying
- Tank volume: This heater is stated for set ups up to 25 litres, so compare that figure with your aquarium size.
- Physical length: The 27.5 cm heater needs enough vertical or diagonal space inside the tank.
- Power rating: 200 W is the main electrical figure to compare against the aquarium’s intended heating needs.
- Use type: It is described for marine and tropical set ups, so check that this matches your aquarium plan.
Before You Decide
Confirm the 27.5 cm size, 200 W output and 25 litre stated limit before choosing an offer. Make sure the heater suits the aquarium type and that you have enough space for installation.





