Atrium (Brown 4163) Immediate Shipping Formicaria particularly at first (it loosens

particularly at first (it loosens over time but is always secure for even tiny ants)

Dual Chamber

Tar Heel Ants preferred substrate - vermiculite (we prefer because it has outperformed other substrates during our in-house testing and research)

of Agriculture

Atrium (Brown 4163) Immediate Shipping Formicaria particularly at first (it loosensSee More Information About the Atrium at this link. General Information: *****Due to the size of the open chambers, this formicarium is considered a small to medium sized formicarium and can hold an estimated 1,000 to 2,000 medium sized ants, larger species such as Camponotus, Formica and Myrmecocystus up to 1,000 (again, approximately). While it is quite possible some small species (Lasius spp.) will do quite well in the Atrium, estimating numbers