Just place this removable thermometer in an easy to read position below waterline. Temperature ranges for this model: 18 to 30° C (64 to 86° F). Without wasting your time, here are … Marina Marina LCD Digital Aquarium Thermometer $ 2.64 - $ 20.44 $ 44.99; Save $ 25 (55 %) FREE shipping over $49. This Marina LCD vertical mount liquid crystal thermometer provides accurate and easy to read temperatures readings in Fahrenheit and Centigrade. Customer Reviews. 0%. Length: 4.45 cm (1.75 in) Ideal for all fresh and saltwater aquariums, this vertical mount thermometer comes with an adhesive backing that makes mounting to the outside glass easy. Temperature ranges for this model : 19 to 31° C (66 to 88° F). 0%. C. Chris, Gaithersburg MD on 2012/01/12 . Length: 7.6 cm (3 in) Other sizes available: 11220 Marina LCD Aquarium Thermometer, 22 to 30° C (72 to 86° F) Write a Review. With water temperature being such a critical factor for the well-being of fish, it?s important to have a good thermometer. 50%. 0%. Length : 7.6 cm (3 in) Other sizes available: 11220 Marina LCD Aquarium Thermometer, Centigrade-Fahrenheit, 22 to 30° C (72 to 86° F) The Marina LCD Digital Aquarium Thermometer is an easy-to-read liquid crystal display (LCD) aquarium thermometer that is reliably accurate to plus-or-minus 1¡ F: no guessing, no color confusion. Ideal for all fresh and saltwater aquariums, the thermometer comes with an adhesive backing that makes mounting to the outside glass easy. 50%. Aquarium Digital Waterproof Thermometer LCD; Marina Stainless Steel Thermometer; DaToo Aquarium Thermometer; Inkbird Wireless Thermometer and Hygrometer; JJMG Fish Tank Thermometer; Fluval Wireless 2 in 1 Digital Thermometer ; Our Final Thoughts on Aquarium Thermometers; The Guide to Choosing Aquarium Thermometers. Ideal for all fresh and saltwater aquariums, the thermometer comes with an adhesive backing that makes mounting to the outside glass easy. More Choices Available. This Marina LCD vertical mount liquid crystal thermometer provides accurate and easy to read temperatures readings in Fahrenheit and Centigrade. This Marina LCD digital thermometer provides accurate and easy-to-read temperature readings in Fahrenheit. Penn Plax Penn Plax Therma-Temp Full-Range Digital Thermometer $ 3.99 - $ 21.55 $ 47.99; Save $ 26 (55 %) FREE shipping over $49. Temperature ranges for this model: 19 to 30° C (66 to 88° F). Mounts vertically & easily sticks to the outside surface of any aquarium. 4.5. Ideal for all fresh and saltwater aquariums, the thermometer comes with an adhesive backing that makes mounting to the outside glass easy.