"My 4 year old got one for Christmas. It is an unfiltered 3.5 litre unit that we house 2 little goldfish in. We just replace 1/4 of the water every 10 days or so. We purchased some gravel type fish"... (read full reviews)
"Hi there, this is a great starter kit for a siamese fighter (betta) fish. However if you are purchasing one of the aquariums from here they come with water treatment, and plant food. You do not need"... (read full reviews)