Picture Page 33

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Picture Page 33

Flood & Drain		Flood and drain is also called ebb and flow. The pump comes on in the lower nutrient tank and pumps the solution up to the top containers with the plants and grow medium. The pump shuts off and the solution drains back to the lower tank until the next watering cycle. In about 30 minutes with most mediums.
Airoponics	I haven't built one of these yet so don't ask me how it works.
NFT	You can use 4 inch PVC pipe or rain gutter for cheap NFT parts.
Woodshavings Method		If you think hydroponics is a modern invention then your incorrect. Read all about it.