real classic: JUWEL RIO 125 LED Aquarium The RIO 125 LED is the smallest aquarium in the RIO range. With its compact surface area of 81 x 36 cm and classic rectangular design, the RIO 125 LED will fit perfectly into any design scheme. Its safety base frame ensures especially safe positioning and allows you to set up your aquarium easily, with no need for special supports. Painstaking workmanship from Germany, top-quality materials and perfectly tuned technology guarantee the very best of quality and safety, meaning a long service life for your RIO 125 LED. Multi Lux LED / Lighting Brilliant luminosity and excellent plant growth are what you get with the state-of-the-art Multi lux LED lighting technology from JUWEL. The replaceable 590 mm DAY and NATURE LED tubes create an optimum light spectrum, while saving up to 50% of energy in comparison to T5 at the same time. The Multi Lux LED lighting system for the RIO 125 LED means that you can work on your aquarium in comfort, even when the lighting is switched on. The ultrasound-sealed light unit is 100 percent waterproof and fulfils the stringent European safety standards. Bio flow M / Filter System For optimum filtering, the RIO 125 LED is fitted with a high-performance Bio flow M. This internal filter combines efficiency with safety and forms the centrepiece of any JUWEL aquarium. It works on the principle that "The water should stay in the aquarium!" and is the safest way of filtering an aquarium. The Bio flow M comes fitted with five high-performance filter media and a quiet yet powerful Ecco flow 500 circulation pump. Aqua Heat 100 W / Automatic-Heater The 100 Watt JUWEL adjustable heater, which is perfectly embedded in the water circulation in the Bio flow M filter system, ensures the right temperature in the RIO 125 LED.