Every fish species has specific temperature requirements, so keep an eye on your aquarium with an accurate glass thermometer. The Aqua One Glass Thermometers are a must-have accessory for any aquarium.

The easy to read thermometers include a high-quality silicon suction cup to fasten it in the aquarium. Both models are mercury free for added safety.

Features & Benefits

Easy to read
High-quality silicone suction cap
Temperature range of 0-500
Does not contain mercury
Suitable For: Coldwater, Tropical & Marine