3 ms·
I am a bit suspicious of the lack of algae on the inner wall of the bottle...
by pcrh 13y ago
I am a bit suspicious of the lack of algae on the inner wall of the bottle...
- ars 13y agoThere might not be enough water. The walls don't look visibly damp. Also, there might not have been any introduced from the start - if he used only dry rocks/soil, and planted from a seed.