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Comment by Steve Bradbury on June 11, 2012 at 8:48pm

Part of the new NFT  I just installed, dump/feed tank is a 40 gallon olive barrel with a swirl filter just to the left of this pic, it feeds into a piece of PVC gutter , then into the green 4" pipes that ar set diagonally staggered so the 2' wide table gets filled equally. Used red store brand "solo" type 18 oz cups with holes/slots burned thru them around the bottom 1/3rd.  Net pots and red cups are all gravel filled, with mop string wicks ( thanks Aquaponics Lynx) and planted with bok choy and chard-lettuce will be going in the last 6' of the total 18'.

Malabar spinach volunteer sprouts from the gravel bed....moved to the net pots in green pipes.