The Algae Terrarium is an oxygen producing hill of dirt and algae.
The Algae Terrarium is a very useful plant, producing a bit of oxygen for the carbon dioxide it uses. It uses 30kg of algae every day, making this very efficient. The building requires Water to work. Efficiency is boosted when the building is in a lit area.
Tips 
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- Placing a bunch of these in a Carbon Dioxide polluted area will greatly increase the amount of Oxygen you will have to use.
