Hydor External heater

Works perfectly fine, temperature is stable; easy to attach to the filter hose. A must have if you want to avoid seeing a heater inside the aquarium. (read more)

Good quality for this price. I am exited from the item realy .Thank you aquasabyi for fast delivery to Latvia! (read more)

Keeps really stable temperature. Just finding difficult to clean as in and out flow opening smaller than inside. Nice not to see a heater in the tank (read more)