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Aqua One Glass Thermometer
The Aqua One Glass Thermometer is a simple, reliable tool for monitoring water temperature in aquariums. Designed for use in coldwater, tropical, and marine setups, it ensures your aquatic environment remains within the ideal range for healthy fish and plants. Its clear, easy-to-read scale makes it straightforward to track water conditions at a glance.
Made from durable, mercury-free glass, the thermometer provides safe and accurate readings between 0–50 °C. A secure silicone suction cup allows it to be mounted inside the tank wherever monitoring is most convenient.

Accurate Readings
Measures water temperature between 0–50 °C
Safe & Reliable
Mercury-free glass with secure suction cup mount
Versatile Use
Ideal for aquariums and hydroponic reservoirsA safe, easy-to-use glass thermometer for maintaining stable aquarium temperatures.
In Stock




Aqua One Glass Thermometer
Key Highlights
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- Reads water temperature accurately from 0–50 °C
- Mercury-free construction for aquarium safety
- High-quality silicone suction cup for secure mounting
- Clear, easy-to-read scale
- Suitable for cold water, tropical, and marine tanks & hydroponic nutrient solution tanks
Directions for Use
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- Rinse thermometer in clean water before use.
- Press the suction cup firmly onto the inside glass of the aquarium.
- Position away from heaters or direct light to avoid false readings.
- Check the thermometer regularly to ensure water remains within the optimal range for your fish and plants.
- Clean occasionally to remove algae or residue from the glass.
Technical Specifications
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- Measurement Range: 0–50 °C
- Material: Mercury-free glass
- Mounting: Silicone suction cup
- Compatibility: Aquariums (coldwater, tropical, marine) 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.


