It's been four great years of ownership but this weather is the first time I'm kinda worried. I spent the last five days giving birth to a kidney stone and couldn't get into the bilge or do much of anything to the old girl. I had the bilge heater on and water temps are still good but it's the fresh water I'm worried about. Snowing now and air temps dropping into the 20's. I don't know how the northern boaters do this stuff... Headed down tomorrow to drain and blow out the system.