Aquarium Stick-On Thermometer Strip – Dual °C/°F Fish Tank
Always Know Your Tank's Temperature at a Glance
Keep your fish, shrimp, and aquatic plants thriving with this easy-to-use stick-on aquarium thermometer strip. Using colour-changing liquid crystal (PET) technology, it displays the water temperature instantly — no batteries, no cables, no fuss. Simply peel and stick it to the outside of your fish tank and you're done!
How the Colour Display Works
- Green — Current accurate temperature
- Blue — Temperature is trending lower than the green reading
- Brown/Tan — Temperature is trending higher than the green reading
The bright, vivid colours make it effortless to spot whether your tank is at the perfect temperature for your aquatic life — no squinting at tiny digital digits required.
Product Specifications
- Material: PET liquid crystal
- Size: 13 × 1.8 cm (approx. 5.12 × 0.71 inches)
- Temperature Range: 18°C – 34°C (64°F – 93°F)
- Scale: Dual — Celsius & Fahrenheit
- Batteries Required: No
- Application: Stick-on exterior of glass or acrylic aquarium
Made in Mainland China.
Key Features & Benefits
- ✅ No batteries needed — completely passive, zero running costs
- ✅ Dual scale (°C & °F) for universal use
- ✅ Space-saving slim strip — doesn't clutter your aquarium setup
- ✅ Instant colour-change reading — easy for beginners and experts alike
- ✅ Suitable for freshwater & saltwater tanks, terrariums, and reptile enclosures
Important Usage Notes
- Choose your placement carefully before sticking — the adhesive is permanent and the strip cannot be reused once removed.
- Do not expose to direct sunlight or submerge in water — apply to the outside of the tank only.
- Do not use in environments above 50°C (122°F).
What's in the Box?
- 1 × Colour-Changing Aquarium Thermometer Strip
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Further Reading
Learn more about proper aquarium water temperature and fish health from the USGS Water Science School.
Learn more: Aquarium
Frequently Asked Questions
Q: Where exactly do I stick the aquarium thermometer strip?
A: Apply the strip to the outside surface of your fish tank glass or acrylic panel, in a position away from direct sunlight or external heat sources. The liquid crystal material reads the temperature through the tank wall, giving you an accurate reading without any contact with the water.
Q: Can I remove and reuse the thermometer strip if I move my tank?
A: No — the adhesive backing is a one-time application. Once the strip is stuck on, it cannot be peeled off and reapplied without losing accuracy or damaging the strip. Choose your position carefully before attaching it.
Q: What temperature range does this strip thermometer cover?
A: The strip displays temperatures from 18°C to 34°C (64°F to 93°F), which covers the ideal range for most tropical freshwater fish, bettas, goldfish, and many reptiles or amphibians in terrariums.
Q: Is this thermometer accurate enough for sensitive fish like discus or shrimp?
A: Liquid crystal strip thermometers are great for daily monitoring and quick visual checks. For very sensitive species (e.g. discus or breeding shrimp) where precision of ±0.5°C matters, we recommend using this strip as a convenient at-a-glance guide alongside a submersible digital probe thermometer for greater accuracy.
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.