Sub-Irrigated Planter (SIP) Workshop
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SIPs: Sub-Irrigating Planters
Building sub-irrigating planters from recycled bottles!
- Repurposing plastic bottles
- Using felt for capillary action: the fabric soaks the water from the bottom reservoir UP to the plant
- Learning what plants need to grow: air, minerals from water, minerals from soil
- Hydroponics is the process of growing plants without soil.
- ONLY add water to the reservoir after the top layer of soil has dried (1/2 inch)
- When the plant grows bigger, its roots might 'stitch' into the felt and go directly into the water. This is the beginning of hydroponics!
- When the roots make contact with the water in the bottom reservoir directly, keep the roots moist.
- Don't worry if the amount of soil decreases. Hydroponics is the process of growing plants without soil. As the plant grows bigger, soon there will be no soil left; only roots!
- With this method, the plant will grow as big as its roots can fit the container!