Water temperature is an important
factor that affects the health of fish.
The Fluval vertical mount digital
thermometer (1.75" 4.45 cm in length)
is accurate and easy to read. It ranges
from 18 to 30 degrees C (64 to 86 degrees F) . It comes with an adhesive
backing which makes it easy to mount
to the outside glass. Ideal for all fresh
and saltwater aquarium setups.