Quick Summary
The Hidom 300W Submersible Aquarium Heater is a stainless steel aquarium heater for freshwater setups. It is described as suitable for aquariums up to 300 litres and includes a fully adjustable thermostat, an indicator light, 2 heavy duty suckers and a UK 3 pin plug.
As a submersible heater, it is meant to sit in the aquarium water rather than outside it. Before choosing an offer, check that the stated tank size, plug type and supply requirements match your setup.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Submersible aquarium heater for fish tanks. |
| Power | 300 W, which is the key figure to compare against the size of the aquarium. |
| Capacity | Suitable for aquariums up to 300 litres. |
| Material | Stainless steel construction. |
| Thermostat | Fully adjustable thermostat for setting the temperature. |
| Indicator | Light indicator shows when the heater is warming. |
| Included items | 2 heavy duty suckers and a UK 3 pin plug. |
| Supply | AC 220-240 V, 50 Hz. |
What to Compare Before Buying
- Tank size: This model is stated for aquariums up to 300 litres. Compare that with the volume of your tank.
- Power: The heater is rated at 300 W. Check that this matches the heating level you need for the aquarium size.
- Fitting method: It is supplied with 2 suckers for mounting inside the tank. Make sure you have a suitable place to position it.
- Electrical setup: It comes with a UK 3 pin plug and AC 220-240 V, 50 Hz supply. Check that this suits your mains supply.
- Adjustment: The thermostat is adjustable, so the temperature setting is something to confirm for your fishkeeping setup.
What Else You May Need
You will need a compatible aquarium and a suitable mains supply for the heater’s stated plug and voltage. If you are replacing an existing heater, check the space available inside the tank and the intended mounting position before choosing a replacement.
Before You Decide
Confirm the 300 litre tank limit, the 300 W rating and the UK plug format before choosing an offer. Check that the heater can be positioned securely in your aquarium and that the supply matches your setup.
