Fortress (Type III)(Bone 2021 Vermiculite) ready to ship formicarium the Atrium is larger (available

the Atrium is larger (available nest space) than the Casita and would be in between the Casita and Nucleus III in terms of nest space

It maintains the privacy required by ants

***Free XL Mini Hearth ($46+ Value) Included

nestmates and stoppers

stopper for connection port

Fortress (Type III)(Bone 2021 Vermiculite) ready to ship formicarium the Atrium is larger (availableThis product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. NEW FEATURE: Replacing the normal sand coated interior, this formicarium has a vermiculite interior. Vermiculite has special properties of moisture retention. For years it has been used as an incubation material for captive breeding of reptiles. It also has a naturalistic look, a darker substrate with some shiny