I am looking at getting a Betta Cube for display. For those who don't know what this is its a small tank to keep a betta in. Its got a small filter but no heater. I seen one set up and they look cool but is it not a little cruel? On its own in a tank??


/www.warehouse-aquatics.co.uk/index.php?p=product&products_id=5408&cid=1