With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level...

The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying than the chore of adding water, every day, to make up for...

The HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from the remote sensor in the aquarium. The remote...

The HC-910M is a high-end, dual-display digital aquarium heater controller from Finnex, designed for precise temperature management with bright LED readouts showing both current and set temperatures simultaneously, featuring...

The HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls the water temperature in your aquarium. The heating controller receives temperature data from the remote sensor in the aquarium. The remote...