I like this type of thermometer. Easy to read, easy to use. Sticks easily to your outside glass on your tank, LED display shows temperature at a glance.

Pros: Easy to read, easy to use.

Cons: Non found.

We use this on many of our aquariums. It gives an accurate reading, is easy to attach and lasts. It is great for watching the water temp in the winter.

Pros: accurate, easy to attach

Cons: none

These are easy to use and work great.Just stick them on.better than a glass one which might break.

Pros: Easy to read

Cons: none

This looks good. it is very readable. well worth the cost. very nice thermometer

Pros: good

Cons: none