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Aqua One Glass Aquarium Heater
The Aqua One Glass Aquarium Heater is a fully submersible, adjustable heating unit designed to maintain stable temperatures in aquariums and hydroponic nutrient reservoirs. Reliable temperature control is essential for tropical fish health and plant growth, and this heater delivers accuracy with a simple, user-friendly design. An indicator light shows when the heater is actively warming the water, providing peace of mind at a glance.
Constructed with durable, double-insulated glass, the heater is safe for continuous submersion and comes with secure suction cups for easy mounting. Its adjustable thermostat covers a range of 20–34 °C, making it suitable for a wide variety of aquatic and horticultural applications. Available in multiple wattages, from 25 W for small aquariums up to 300 W for large systems, the Aqua One Glass Heater ensures consistent performance across different volumes.

Precise Control
Adjustable thermostat maintains water or nutrient solution at 20–34 °C
Safe Design
Fully submersible, double-insulated glass with suction cup mount
Flexible Application
Suitable for aquariums and hydroponic reservoirs of various sizesA simple, reliable glass water heater that ensures stable temperatures for healthy fish and thriving plants.
Low Stock - 3 available







Aqua One Glass Aquarium Heater
Key Highlights
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- Available in multiple wattages: 25 W, 55 W, 100 W, 150 W, 200 W, 300 W
- Adjustable thermostat with 20–34 °C range
- Fully submersible with double insulation for safety
- Built-in indicator light shows when heating is active
- Suction cups included for secure mounting
- Reliable for both aquariums and hydroponic nutrient reservoirs
- Backed by a 2 + 1 year guarantee
Directions for Use
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- Rinse heater before first use.
- Place the heater fully submerged in aquarium or reservoir water.
- Mount securely using the included suction cups, away from direct water flow.
- Set desired temperature using the adjustable dial.
- Plug in and check that the indicator light is active when heating.
- Allow 24 hours for the system to stabilise, then confirm accuracy with a thermometer.
- Check regularly for secure mounting and clean glass surface as needed.
Technical Specifications
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25W
- Length: 18.5 cm
- Tank Capacity: 25L
55W
- Length: 20.5 cm
- Tank Capacity: 55L
100W
- Length: 24.5 cm
- Tank Capacity: 100L
200W
- Length: 30.0 cm
- Tank Capacity: 200L
300W
- Length: 35.5 cm
- Tank Capacity: 300L
All Sizes
- Temperature Range: 20–34 °C
- Material: Double-insulated glass
- Mounting: Suction cups (included)
- Indicator: Heating activity light
- Warranty: 2 + 1 years
- Compatibility: Aquariums (tropical, marine, coldwater) and hydroponic nutrient reservoirs
Shipping & Returns
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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at info@hydrooasis.com.au
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at info@hydrooasis.com.au.

Size: 100W




