Rob’s DIY Venturi http://www.youtube.com/watch?v=0ZMjDgM3LaU I recently watched Rob Bob’s (bnbob01) DIY venturi video and it looked like so much fun I thought I’d try my hand at making a small version out of easy to find local parts. I hope to be able to use this in future DWC or recirculating hydroponics experiments. I think […]

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