THERMOMETERS
WON LCD Thermometers:
These have a range between 64-93 F and 18-34 C. They are vertical thermometers and will stick to the outside of your glass aquarium.
for $2.25 Each
WON GLASS Thermometers:
These have a range between 32-110 F and 0-46 C. These come with a suction cup and are made to stick on the inside of your aquarium.
for $1.75 Each
Coralife Digital Battery Operated Thermometer:
Temperature range from -10 F to 140 F (-23 C to 60 C). Mounting cups and battery included. Slide switch will let you select Fahrenheit/Celsius. 39 inch cord with probe to reach where you need it.
for $10.34
