I am currently working on a stackable formicarium using 2 mdesign containers and a 2 by 2.5 by 6 price of firebrick. The firebrick is going to be glued to the side of the lower container with two separate sets of tubes coming out of the back of it. The tubes will exit the lower container by the way of two holes and enter the upper container which will be the outworld. Will update in 1-2 days. If you have any additional questions or advice please post below.
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Edited by theproperway1, February 12 2020 - 11:24 AM.