So i built a greenhouse wanted to share because how far i have come learning this thanks to this forum 
i started with 5gallon DWC but then thought if plants grow bigger in the ground then maybe if i use bigger buckets (20 gallon garbage cans) with mesh pots through the lids and drilled holes for the air hoses i could get bigger plants hydroponically and this is what i built … needs some fine tuning inside which i will do in the spring but im happy and yes thats an indoor outdoor koi pond built through the wall of greenhouse waterfall is going to be much better in the spring also
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Nice and clever.
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Nice greenhouse. I like the koi pond.
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Nice work Grow Bro 
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Nice oasis …great place to spend time
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Thank you 
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Very nice a great job done!
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Thank you , hoping to eventually have it so the fish waste feeds the plants but dont really know how to do that just yet
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Man, when I saw your pond that was the first thought I had. I wonderbif Jacks321 is good for fish?
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Youre hired! When can you start ?
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We have a winner here. That is so cool!
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Looks great! Plants and greenhouse.
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Awesome job @Mcanter89 would love more pictures in the spring
What’s the greenhouse made of (the frame, plastic sheeting)?
Probably the easiest way is to put a tee off your out line from your pump to the waterfall. Then put a ball valve off the T going back into the greenhouse. That way you can control the flow or shut it down if things are off, you don’t want it going to the plants like if you were medicating the fish or they were sick. That way you won’t need to put in a second pump. Looks like your pump has plenty of flow.
Also, that way you can control the slower flow so your return from the plants stays as a passive drain.
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Nice growmie! Would love to have that setup in my backyard.