3 ms·

I don't think we can say it's clearly working... This seems like an extraordinary claim and it's hard to know if there's any truth fudging.

• droopyEyelids 12y ago
  Another puzzling factor is the clarity of the glass. When I've seen bottle gardens, they all develop a thick scum from minerals in condensation, algae, and bacterial plaques.
  • bronson 12y ago
    This is a great GREAT point. It would be nice to hear an explanation.
    • ceejayoz 12y ago
      Magnetic scrubbing brushes. They're commonly used in aquariums.
• gnufied 12y ago
  There is also, Cellular respiration in night within the plant itself, which release some CO2 in the atmosphere. So may be combined with CO2 released by Bacteria and Cellular respiration in plant, it can survive.