Ytong or aerated concrete is the perfect material for ant nests due to its excellent hydration properties and mould resistance.
This All-in-One formicarium is great for large sized ants, including myrmecia bull ants.
The brick has a hydration chamber directly on top for easy watering and is loose to allow for cleaning and changing positioning.
The outworld has one rear and one side 10mm expansion port for your growing colony.
Outworld size: 120mm x 100mm x 85mm