on orders over $75
Marina Dolphin 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. Mounts vertically & easily sticks to the outside surface of any aquarium.
Just place this removable thermometer in an easy to read position below waterline. Reads temperature range from 72 F to 86 F. Approximately 1.75' long.