Aqua One Aquariums are made by an Australian company called Aqua Pacific. Aqua One are a very well know and popular aquarium manufacturer in the UK and USA.
Aquaone make tropical fish tanks which can also be used for marine fish keeping, although Aqua One have just released a new range called AquaReef. The AquaReef range is a read to go marine fish keeping setup which also includes a sump and protein skimmer.
Aqua One have a wide range of fish tanks such as the Eurostyle which are near identical to Juwel aquariums but slightly taller and come supplied with an external filter.