Quote Originally Posted by gainesvillegreen
The General Hydroponic kits you are speaking of DO indeed run off of an air pump. They pump air below the water level into the feed column, forcing air and water up into the drip ring and onto your media.
http://boards.cannabis.com/grow-log/...-dwc-grow.html
This baffles me. How can you push water with air unless you are in a completely sealed/airtight container?

I'm not trying to argue with you - just want to understand the way it works.

PC :smokin: