- One 2-liter soda bottle
- One bottle cap
- Tool Box
- Wicking material-fabric interfacing or cotton string
- Water, soil and plants
|Step 2 – Poke
or drill a 1 cm hole in bottle cap.
|Step 3 – Thread
a thoroughly wet wick strip through bottle top, invert top,
and set into base. Wick should reach bottom of reservoir and
thread loosely through cap.
Step 4 – Fill reservoir with water.
Add soil and plants to top chamber. To be effective, the wick should
run up into soil, not be plastered along a side of the bottle. For
better drainage, place a layer of gravel, sand or vermiculite in the
bottom of the soil unit.