£9.99 £ 9. Placement doesn't matter that much, but I put them towards the bottom of the tank just above the top of the substrate. How to read a fish tank thermometer strip? Temperature indicator labels are adhesive stickers with boxes changing their colour when the temperature indicated on the side of each box is achieved. I've seen blue green and brown. You just have to attach them to the surface to control and these stickers will record the temperature reached. It's a marina themometer sticker. They are not accurate, so you can not expect a precise reading. Add to list . I don't think they wear out.. At least I've never seen one wear out. Digital Aquarium Thermometer, 1 Ct-Aqua Culture. If there are 3 colors, figure the middle one is closest to the actual temperature. Only 5 left in stock. Not sold online Available online Out of stock online. 4.4 out of 5 stars 60. Add to wishlist. £2.99 £ 2. CDN$ 10.52. Quickview. The newer ones are removable, and don't leave a residue. Marina Minerva, 66 to 86-Degree Fahrenheit / 19 to 30-Degree Celsius 3.5 out of 5 ... (10Pcs) 4.3 out of 5 stars 17. Fahrenheit and Celsius . 4.2 out of 5 stars 134. Stick on Brewing Thermometer Adhesive LCD Thermometer Sticker Stick-on LCD Thermometer Strip for Homebrew Beer Wine Aquarium 5pcs 5.0 out of 5 stars 1. Favorite Answer . 0 Reviews. Add to list . If the temperature matches one of the printed temps, it will be green. Add to registry Insten New Digital LCD Fish Tank Aquarium Marine Water Proof Thermometer Temperature Black. Irreversible thermometers: The colour change will not be reversed. Available in stores . $22.63. Jansamn Brewing Thermometer Strip, Adhesive Strip Thermometer, Aquarium Thermometer Sticker,Thermometer Sticker for Fish Tank/Kombucha,39℉ to 97℉ & 4℃ to 36℃ 4.5 out of 5 stars 388 $6.99 $ 6 . It measures and displays the temperature of your tank’s water temperature just like a standard thermometer. Relevance. Price Price. CDN$ 9.99. Price Price. Add to Cart. Jardin Aquarium Fishbowl Celsius Thermometer 2-Piece Stickers with Connector. CDN$ 8.70. 4 Reviews. 99 £3.39 £3.39. Thermometer strips are typically just a sticker. Add to wishlist . 99 ($1.75/Count) $8.99 $8.99 Not sold in stores . Marina Minerva Digital C/F Thermometer. Add to Cart. Jardin Plastic Double C/F Scale Aquarium Sticker, Black/White. Answer Save. What is a fish tank thermometer strip? BelleK. 1 decade ago. I think it's only 3 colors but it can be more. $15.43. 4 Answers. Quickview. If it's in between, the lower temp will be indicated in blue, and the upper temp will be tan. I've cross-checked them with the glass thermometers as well as a probe thermometer. Marina LCD Aquarium Thermometer. Add to wishlist. Add to Cart. $22.48. Quickview. Not sold online Available online Out of stock online. The temperature can usually be shown in both Celsius and Fahrenheit. More buying choices £1.29 (5 new offers) Gellvann Digital Aquarium Thermometer Submersible with Suction Cup Waterproof LCD Digital Fish Tank Aquarium Thermometer for Tropical and Marine. There are two types of these adhesive thermometers:. FREE Delivery. Home Brew Ohio 9Y-X3YR-IWMG Adhesive Temperature Strip, Black 2.8 out of 5 stars 5. A fish tank thermometer strip is a form of thermometer which you stick on to the outer glass of your fish tank.