Four different 16 oz bottles were tested as Sea-Monkey aquariums. They varied in diameters of 2.25”, 2.5”, 3.0”, and 3.5”. Each jar contained 16 oz of volume. However, the commercial plastic aquarium hold 10 oz. For the experiment: 2 oz of stones first placed in each jars. Then, 12 oz of water. And, finally, envelop #1 was added on Saturday and envelop #2 on Sunday. The jars were monitored a least every Saturday and food added.