Description
xSmart, Safe Temperature Monitoring for Every Tank
Meet the Dreyoo 4-Pack Floating Glass Aquarium Thermometers, a compact and dependable set designed to help you keep an eye on water temperature without adding clutter. Each unit is mercury-free and sized to work across freshwater and saltwater environments, from small tanks to larger habitats.
These thermometers float upright and stay out of the way, while the colored liquid gently settles to reveal a clear reading. Their simple form makes it easy to check temperature at a glance, whether you’re mid-cleaning, acclimating new fish, or planning routine maintenance.
What’s in the box
- 4 floating glass aquarium thermometers
- 4 suction cups for secure placement
Key features at a glance
- 2 in 1 design with temperature readings in both Celsius and Fahrenheit, accurate 0 to 43 C / 32 to 110 F
- Suitable for freshwater and saltwater tanks, ponds, pools, and other small water features
- Quality glass construction that resists breakage and deformation while remaining mercury-free
- Simple use: place the thermometer vertically in the tank and let the colored liquid settle for an easy read
Why this matters for your tank setup
Having quick, legible readings helps you notice subtle shifts that can influence fish comfort, water clarity, and equipment performance. The dual scale is convenient for hobbyists and caretakers alike, allowing fast communication during routine checks or when adjusting a setup for specific species.
Practical use cases
- Freshwater aquariums where stable readings support healthy tropical fish activity
- Saltwater tanks where consistent temperatures can benefit corals and invertebrates
- Outdoor ponds or small pools for rapid checks during hot days
How to read and care
Place the thermometer vertically in the water and observe the colored liquid dropping to the bottom for an accurate reading. The glass is designed to be durable in typical home setups, and the fixtures are easy to remove when repositioning.
Care and safety tips
Keep small parts away from pets and observe for any unusual tank reactions when introducing new accessories. If discomfort or instability occurs, remove the thermometer and reassess placement.
FAQ
Q: What is included in the package?
A: Four floating glass thermometers and four suction cups for freshwater and saltwater tanks.
Q: Do they display both Celsius and Fahrenheit?
A: Yes, the readings include both Celsius and Fahrenheit for quick reference.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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