Heating & Cooling

The Hydor Theo heater is an essential aquarium component for maintaining accurate and safe water temperatures in any tank. Theo is a secure, functional and aesthetically appealing product. Main features: Shock-resistant thanks to the shatter-proof glass...

The Hydor Theo heater is an essential aquarium component for maintaining accurate and safe water temperatures in any tank. Theo is a secure, functional and aesthetically appealing product. Main features: Shock-resistant thanks to the shatter-proof glass...

The Hydor Theo heater is an essential aquarium component for maintaining accurate and safe water temperatures in any tank. Theo is a secure, functional and aesthetically appealing product. Main features: Shock-resistant thanks to the shatter-proof glass...

It is the first and only external Hydor heater equipped with patented PTC technology that guarantees maximum safety against any risk of overheating in your aquarium.   Equipped with: A knob that allows you to adjust the temperature easily and...