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...

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...

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...

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...