Top Fin Mermaid On Rock Aquatic Decor 6 in tall x 3in wide. Here are some reviews of the best thermometers you can use: 1. 1. Top Fin Digital Thermometer,Black . Ending Saturday at 11:46PM PST 4d 14h. This convenient thermometer sports a large and easy-to-read LCD display screen while still being small and compact for discrete use. $5.60. $13.00. July 28, 2018 at 4:01 am. Glenn Mathews says. $2.59 UPC: 073725702160 Floating Glass Aquarium Thermometer. $5.00. $6.50 shipping. Provides Temperature Readings From 40-100 Degrees Fahrenheit And 0-40 Degrees Celsius. Measures 4.5"l. Does Not Contain Mercury. 0 bids. It offers a 25mm X 12mm LCD screen, with a 1-meter cable connecting it to a … Hi, I need a good thermometer for … This digital thermometer is comprised of two basic components: the sensor and the display. Float Glass Thermometer In Aquarium Water Or Secure With Included Suction Cup. Let’s start with a very affordable and basic digital thermometer like this one. 0 bids. $5.00 shipping. Top Fin® Seahorse Thermometer at PetSmart. TOOGOO Digital LCD Thermometer. Top Fin? Free shipping. While I appreciate that Top Fin thermometers are commonly available, and can be grabbed at any Petsmart, I do not recommend them as an accurate thermometer. Top Fish Tank Thermometers Reviews. Reply. ... Top Fin Seahorse Ornament Aquarium Fish Tank Fishbowl Decoration Decor Pot. Shop all fish ornaments online