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I don't think I could find a pump to push 0 degree F nutrient thru the pipes!!
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No I wouldn't expect so, and nutrient that cold wouldn't be good for the plants either. Though there are ways to keep the
nutrients warm like insulating the nutrient tank, using fish tank warmers, heated blankets and such. For the pipes a layer or two of pipe insulation along with pumping the warm nutrient through it regularly would probably be enough to keep the pipes and roots from freezing (though I have not dealt with growing in weather that cold). I think you were going to be growing the plants on your deck so I wasn't sure if the deck was enclosed to keep most of the heat out and/or if you were planing to use heaters to keep the plants warm. Do you have any pictures of the setups in your work room?