Aqueon 100-Watt Preset Aquarium Heater – For Tanks Up To 40 Gallons, Fish Tank Temperature Control

Got a fish tank that needs a steady, reliable heater?

This Aqueon 100-watt preset heater is perfect for tanks up to 40 gallons.

It's already set to the ideal tropical temperature, so you don't have to fiddle with dials—just pop it in and let it do its thing.

It's fully submersible and made to keep your fish happy and healthy.

The 100-watt model is a sweet spot for medium-sized tanks.

It's brand new, comes in the original packaging, and has that standard Aqueon quality you can count on.

Plus, it's backed by a 30-day money-back guarantee and professional customer service if you have any issues.

The unit is compact—packaged dimensions are about 7x3.5x1.5 inches—and weighs less than half a pound.

No complex setup, no programming.

Just consistent, reliable heat for your aquatic buddies.

If you're setting up a new tank or replacing an old, failing heater, this is a solid choice.