I have started my build after a long winter of waiting. I have uploaded a few photos of my progress so far.  The first group is of the greenhouse setup and getting the sump tank set.  The second group of photos is the layout of Phase 1.

I will be completing this build in 4 Phases.

Phase 1 - will be pretty much the same build I had as last year except that I will be adding a swirl filter and replumbing the whole system in order to modularize it and make…

My wife and I are taking the commercial plunge. After running a successful backyard hybrid system for a year, we purchased 4 acres and moved. We have 3 quotes for high tunnels 30x100'. There is 2 steel barns on the property located in growing zone 6a. We plan to use half of one of the barns for a fish house and build a double skinned high tunnel behind the barn east to west.

I was reading that if I expand the size to 130' it will only cost me an extra $1500 initially, but with the…

In the event of a power failure, the main concern should be the fish are supplied with air and water circulation and of course feed. Is this correct? Please advise, Thanks to all for being here, Gil Jones 

I joined because I am about to begin my first solo design/build. I have seen two systems in operation, and helped build the first as a landscape focal point. Though the effect is nice, and the fish are fun and capable of feeding a few floating beds it is not what I want to design this time.

My friend built a make-shift system in his shed that successfully feeds three flush and fill beds in succession, it is exponentially more productive. I was not around for it's design and…