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 welcome today we are going to know you a floating raft system or a deep water culture system. It is also known as hydroponic system. As you can see this is a deep water culture system where we grow leafy vegetables for home consumption the system is good for leafy vegetables such as the spinach we are growing here so you can also grow lettuce you can grow collard greens or whatever indigenous leafy vegetables you would like the media that you use in such a system should be inert media you can use gravel such as this half inch particle size such as the one you can see or you can use Pumice also known as volcanic rock yes still it's inert and will help so basically how we work around this is we have this floating raft which is as tyro foam board and we have drilled some holes so I'm going to show you how it looks like so we have the holes there and then the seedlings allow me to pull this out slowly yeah so basically you can see this is a network of roots that have come out of