Demijohns and Carboys: Big Glass, Small Opening, Big Commitment
A carboy is the most rewarding container in the hobby and the least forgiving. Everything you can do to it, you do through a two-finger neck. Plan for that.
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Glass vs Plastic Terrarium Containers: What Plastic Actually Costs You
Plastic is cheaper, lighter and will not smash. It also hazes, scratches, insulates differently and cannot be sterilized the same way. Here is the whole trade.
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Container Size: How Small Is Too Small for a Closed Terrarium?
Nobody publishes a minimum size, so here is the physics that sets the floor instead: the layers, the air volume and the temperature swing a small jar cannot buffer.
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Lidded, Corked or Clamp-Top: How the Seal Changes a Terrarium
It does not need to be airtight. It needs to be tight enough for water to stay in, and the difference between those two things decides your whole build.
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What to Build Your Terrarium In: The Four Things a Container Must Do
Almost anything glass can be a terrarium and most of what you own should not be. Four requirements decide it, and the seal is not the first one.
