Aquarium Stick-On Thermometer Strip – Dual °C/°F Fish Tank
Monitor Your Fish Tank Temperature at a Glance
Keep your aquatic friends happy and healthy with this easy-to-use stick-on aquarium thermometer strip. Made from PET liquid crystal material, this slim adhesive strip attaches directly to the outside of your fish tank and instantly displays the water temperature using a vivid color-change display — no batteries required!
Whether you're a seasoned aquarist or a first-time fish keeper, this dual-scale (°C/°F) thermometer makes it effortless to maintain the ideal water temperature for your fish, shrimp, or plants. Made in Mainland China.
How the Color Display Works
- Green – Current temperature (ideal reading zone)
- Blue – Temperature is trending lower than the lit number
- Brown/Red – Temperature is trending higher than the lit number
Key Features
- ✅ No batteries needed — purely liquid crystal technology
- ✅ Dual scale display — reads both Celsius (°C) and Fahrenheit (°F)
- ✅ Wide temperature range — 18°C to 34°C (64°F to 93°F)
- ✅ Slim & space-saving — measures just 13 × 1.8 cm (5.12 × 0.71 in)
- ✅ Simple one-time application — just peel and stick to the outside of your tank glass
- ✅ No chemicals in water — adheres to the exterior only
Specifications
| Material | PET Liquid Crystal |
| Size | 13 × 1.8 cm / 5.12 × 0.71 in |
| Temperature Range | 18°C – 34°C (64°F – 93°F) |
| Scale | Dual °C / °F |
| Battery | Not required |
| Application | Exterior stick-on (glass tanks) |
Important Precautions
- Confirm your placement position before sticking — this thermometer is a single-use adhesive and cannot be reapplied once removed.
- Do not expose to direct sunlight or submerge in water.
- Do not use in environments exceeding 50°C (122°F).
What's in the Box
- 1 × Discoloration Aquarium Thermometer Strip
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- 100-Pack Disposable Nitrile Gloves – Latex-Free, White, Oil-Proof — handy for tank maintenance
- 14-Piece Vegetable Chopper Slicer Dicer Set — another precise and practical home tool
For more information on proper aquarium fish care and optimal water temperatures, visit the U.S. Fish & Wildlife Service (fws.gov).
Frequently Asked Questions
Q: Where do I attach the aquarium thermometer strip on my fish tank?
A: Attach the strip to the outside of your glass aquarium, ideally on a flat, clean, dry surface away from direct sunlight. Clean the glass thoroughly before application for the best adhesion. Note that once applied, the strip cannot be removed and reused.
Q: Is this aquarium thermometer strip accurate?
A: Yes — the PET liquid crystal thermometer provides a reliable reading within a degree or so. The color-change system (green = current temp, blue = cooler zone, brown = warmer zone) makes it very easy to judge whether your tank is at, below, or above the displayed temperature.
Q: Does this thermometer work on acrylic tanks as well as glass?
A: This strip thermometer is designed primarily for glass aquariums. Thicker acrylic walls may insulate the strip from the water temperature, potentially affecting accuracy. For best results, use it on standard glass fish tanks.
Q: What temperature range does this aquarium thermometer cover?
A: It covers 18°C to 34°C (64°F to 93°F), which is suitable for most freshwater tropical fish, shrimp tanks, and common aquarium setups.
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
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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.