Stocking the Eco-column 
Terra layer: 
For the Terra layer we used some weeds we found in the garden we used the same soil the plants were in originally, we also used gravel from Darren's house we put in a millipede a centipede and some wood lice.


Decomposition layer: 
We used decomposing material from Rissik's worm farm and a bit of worms also some gravel again for the filtration of the water.


Aqua layer: 
We took water from the "green belt" for the aqua layer and some gravel for the insects and organisms.