Quote Originally Posted by matt4x4 View Post
2. If you are able to tie into your system easily enough near the pump using a couple of bypass valves, get a 100 foot coil of the black relatively stiff 2" hose and redirect your water through that while running the pump over night, this will act like a cheap low grade solar panel and do a heat exchange through the exposed plastic with the cooler surrounding air - you can leave the hose in a coil, so the area you would require for this is approximately 4'x4' near your equipment pad/shed.
When I read this, I wondered about burying the coil if you were doing some construction such as building a shed.