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.
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Moving House With a Terrarium: What Actually Breaks in Transit
The glass is the least of it. Layers shift, hardscape topples, and a sealed jar in a hot car is an oven. Here is how to get one across town intact.
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Leaving a Terrarium Alone for a Month: Do You Need a Plant-Sitter?
A sealed terrarium is the one plant in the house that does not need a sitter. The risk is not water. It is light and heat, and the fix takes five minutes.
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Topping Up Tired Terrarium Substrate: What You Can and Cannot Fix
The soil has sunk and compacted. Adding more on top does not decompact anything, and a sealed jar has nowhere for the old material to go. Here is the honest read.
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Should You Ever Open a Closed Terrarium? The Four Times You Should
Opening the lid is not cheating and it is not free. Here are the four situations that justify it, the one that does not, and what you are actually resetting.
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How to Clean the Inside of Terrarium Glass Without Wrecking the Build
You cannot reach the inside without knocking something over, and you must not put cleaner in a sealed jar. Here is what actually works, and what the film is.
