Mini Hearth (Bone 208) keeping ants The Atrium has one 3/8"

The Atrium has one 3/8" and one 1/2" port for expansion as a standard feature (additional ports available upon request)

Click HERE to view our Ready-Made Mini Hearths

It allows for a more varied humidity from top to bottom in the formicarium

red or white sand

Mini Hearth (Bone 208) keeping ants The Atrium has one 3/8"Ready for Immediate Shipping, this Mini Hearth comes as shown in the photo on this page. ***Modular Design (for more information click this (link)*** Nestmates this Mini Hearth comes with a nestmate ($5 value) (See photo). For more information on this feature, watch this video Foraging Area Dcor (as seen in photo) Museum Glass optional ($8) Included with this purchase is a syringe for hydration, Mini Hearth PDF guide, nestmates and stoppers, lid, and