Step 6Adding mulch
We filled the top with a layer of organic sugarcane mulch, and drilled drainage holes. (see letter, below, from Colin Austin re. options for placement of drainage holes.) When it was finished, we added the water through the pvc pipe - testing how long it took to fill the bed to the drainage hole, and measured the water level in the pvc pipe, so we can know in future, by looking into the pvc pipe, when the water is low.
| « Previous Step | Download PDFView All Steps | Next Step » |












































if a ping-pong ball fits into your pvc pipe you can then have a visual indicator of the internal water level by how much of the dowel sticks out