I have a raised pond that houses my hardy lilies and 5 goldies that I"ve had since '98. I used to store my hardies in the garage since the pond freezes and I suspect fairly solid, but the heater in my garage broke so that is not possible anymore. Also, the preform pond that I used to set up in the house for the fish is no longer doable.
So, here is my idea..
Drain the pond (it's 4 by 8 feet by 2.5 deep and made from landscaping ties). Install at least 1" foam insulation on all 4 sides and then make a 'lid' from a couple sheets of plywood that I also have the foam insulation board on. Then install a set of lights on the lid to form something like a Bickel... oh yeah, put the liner and water back in
Would this work you think? I"m not wanting anything other than to keep it from freezing and i figure that there will be enough cracks to let any bad air escape.
Anything better? I don't have a cold room at all as we have radiant floor heating throughout or I would just do that.