specifying aquaponics hightunnel

hightunel_with_growbed

 

Settled on  hightunnel design, I belive.  a 26′ wide x 24′ long gothic arch tunnel from longwood gardens.

1 foot media bed depth x   4 ‘ x length of tunnel – 3′ walkaround space = 84 cubic foot or 630 gallon.

Ebb and flow system w/ 500 gallon fish tank?

Insulation issues?