I think what they are probably talking about is just what it sound like. A table they use to 'Flood' the plants. What is commonly referred to as ebb and flow or flood and drain would be similar with one exception. The flood and drain would return the water you use to flood the table, to a tank below the table. When the pump used to send the water up to the table shuts off the water drains back through pump into the Reservoir. If you want to get a good understanding of how it work visit you local hydro store. They will have rockwool and other inert growing mediums as well. I think it was widow maker or maybe pot roast has a thread that explains which medium is best with which system. There are also aeroponic, Nutrient Film technique (NFT), run to waste, wick systems, drip system and probably a few I forgot to mention.
I posted how to build a flood and drain table. the last posts showing the completed table may be helpful, not as good as going to your hydro shop and looking around.
My source book, Hydrofarm - Grow Lights, Hydroponics and More! lists the square pots you mention $1.00 ea. One thing I find helpful is to pick up any catalog you can from a major hydro supplier. Then you can look in the book when someone starts discussing things you are not familiar with and 'see' what they are talking about. I find it very helpful. VV

Thanks man. im growing with soil now and running into problems. and the soil seems to be stinky and i live in a apartment so if people see me comming in with soil all hte time they will start to think something is up.

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Was not this method invented by an American-Canadian grower who goes by the name of (HANS)!!!!! Also the original concept was compeletly all about soil growing, not hydroponic growing. Also for the record there is another book also written by (HANS) Sea of Green (Hydroponic Growing).
Just check out the www.fsbookcompany.com The book is very informative
the Sea of Green Method can be done in soil or hydro of course, but it was not invented as a strictly hydro method, that info is just simply inccorrect!

here is a guy i meet on here.he has a great way of doing it. you should check out his youtube video's.
here is the link to the start of his grow i think there is 6 or 7 videos now.
http://www.youtube.com/watch?v=mcLVzvKyTEo

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