Hello from North east

[Benevolance]

Designing a system to put in a passive solar greenhouse in the annapolis Valley in Nova Scotia Canada... Zone 7.. Greenhouse will be 50 wide 80 feet deep.... I want the water to be at the north wall as a heat sink.. Deep water system 20,000 gallons of water...

Challenge will be to figure out the max number of fish I can grow based on how much grow bed I can stuff into the greenhouse.

Calculating growbed volume for PVC pipe I did some raw 4 inch calculations for 4 inch a frames for lettuce and herbs with a 6 x 10 foot print.. 6 foot high... by my calculations that is 44 gallons of growbed per A frame... I also thought about putting floating lettuce beds directly over top of the fish tanks??

I need to put this in a question thread... LOL

So many questions... I have been gathering info for a year reading...

I want to grow Tilapia in the greenhouse and arctic char outside

Anyways I am here and I am hooked..

[raindrops]

Tilapia is a native fish from the Philippines. Do a search on google for tilapia Philippines and you will learn a lot

[Aloha Don]

Welcome and it sounds like you got some great plans
I will be looking forward to hearing /seeing more of your setup as you progress
How do you plan to heat the greenhouse in the winter months?