It was supposed to be 50 degrees today. Maybe it was. The last few days of freeze took out the rest of the plants. Even the tomatoes are now gone. Plastic just won't retain heat through the below freezing nights. The pond is so clear now that I can see the bottom and can tell that we have dumped a lot of dirt in it. The deepest part isn't more than 12 or 13 feet now. Not really so much but I was expecting the refill to take at least 1000 years.