I've been offered a freebie!!! Someone wants to give me 2 hexagonal tanks joined with a bit of transparent tube from the centre of each one - know what I mean?? :what: Questions now: 1 - do I take it, 2 - what can I put in it, 3- do both tanks need heating and filters or just on one side and 4 - where do I put it??? By the sound of it, its about 5 gallons each side, not including the pipe