INGREDIENTS
1 serving
length of pvc downpipe 100mm
1 serving
end cap
1 serving
narrower diameter length of downpipe
1 serving
length of geotextile
1 l
of coarse gravel
1 serving
an electric drill
2
a
1 serving
height of the unit)
8
make it - 10cm longer than the downpipe
1 serving
cork
1 serving
knife
1 serving
duct tape
1 serving
twine
1 can
fertile soil
1 serving
fixing collar