The installation of a cold group allows you to cool the fresh water or sea water from your aquarium in a closed circuit. The cold groups of the Blue Marine range are equipped with a microprocessor which makes it possible to memorize the desired temperature. They are provided with a solid metal chassis and a plastic anti-flabber protection. Their quality capacitor and their phonic double isolation make them less noisy and more reliable than other products on the market. The titanium thermal exchanger and the presence of an evaporator avoid corrosion linked to salt. The installation of the cold blue group