Features:

• Dual Temps Display and Larger Fahrenheit Number: Consider the temperature reading habits of different groups of people, these thermometer stickers are deigned with Fahrenheit and Celsius numbers, and Fahrenheit numbers are larger than Celsius numbers to adapt to the most local people reading habits. The numbers color is crystal white which is not dim, more noticeable and visible to check the temperature than black numbers of other brands.
• Used Externally and Keep Water Friends Safe: These fish tank thermometer stick on the outside of fish tank or aquarium directly. Compared to the themometers that you have to put in the tank, this external use characteristic keeps water friends from accessing & messing with themometer sticker, which guarantees water friends won't be bothered and prevents damage to the thermometer sticker caused by the large water friends' collisions.
• Perfect Temperature Sensing and Accurate: This aquarium thermometer sticker is made of a new type of material that quickly detects the water temperature and displays different colors at different temperatures in a few seconds. It is a kind of thermometer that is to give you a temp range, the reading range is more accurate compared to other type thermometers. please be sure that your water tank creatures can tolerate the temperature range that this thermometer sticker shows.
• Enough and to Spare and Portable: These temperature strips are low cost but quantity is enough, the extra can be your reserve ones. Good stickiness guarantees that they will not keep peeling off like other brands' temperature sticker. Small profile and easy to use, remove white protective film and stick this sticker onto the the outside of jar,bottle and tank, then you can be able to see the temp at a glance with these basic thermometer strips, work great for constant general temp monitoring!
• Wide Application: These brewing aquarium thermometer strips is perfect for monitoring temps of your kombucha brewing, wine cooler fridge, beer fermenters, veggies jars, fish tank and other activities that temperature is crucial during the process, you can know the temps and adjust the temps appropriately, keep your activities in a target temperature range. If you are not fully satisfied with our product, please remember that we are always here for you.

Details:

Basic Magical Thermometer Stickers, Work Like Pros! Sleek, accurate, you can read temps within a few minutes of their applying They are attached on the outside of the jars/bottles/tanks, don't interfere with cleaning How to Use This Thermometer Sticker? The outside of tank/jar/bottle/aquarium must be dry Remove white protective film from the thermometer strip Stick this strip onto the outside of tank/jar/bottle/aquarium Be sure this sticker is sticked below the water level, the lower the better The strip will display corresponding color and tell the exact temperature (range) in 2 to 5 minutes How to Read The Temps?

There will be 3 colors to indicate the current temp (range): The green indicates the current temperature The brown indicates the current temperature is lower than this value The blue indicates the current temperature is higher than this value If three colors are displayed simultaneously, the green value is current temperature If brown and blue are displayed, but green is not displayed, the average value of brown value and blue value is the current temperature Tips for Reading Temps More Successfully If they don't read well in the dark or dim spaces, you need to read them accurately with pretty bright light (shine a flash light on the sticker) Package 5* Aquarium Thermometer Strip