XXL Mini Hearth(Grey 3607) Fortress so please use these if

so please use these if you expect them to be helpful to the safe arrival of your ant colony

but prepare for your habitats temperature to fluctuate with your room temperatures and provide a buffer against overheating

This is normally a $90 upgrade for this formicarium

please check on the Ready-To-Ship page for Fallen Fortress versions ready to ship

XXL Mini Hearth(Grey 3607) Fortress so please use these ifFor more information on the Mini Hearth XXL click here. Features: XL Water Tower Single Chamber, Stalactite and White Sand Interior MQ Acrylic Foraging Area (with magnetic lid) 2 Nestmates Magnetic Ports on each short side for attaching other Mini Hearth Modular Units. Painted side panels Museum Glass (optional) 3 8" ports on each short end for connecting to other habitats What comes with the Mini Hearth XXL? 2 Nestmates, 3 stoppers (3 8"), Syringe