It got down to 28F last night. Here is a couple photos with my Flir one. Right now it is 42F outside 11Pm it is 61F in the greenhouse.
The temp went down to 32F last night. Greenhouse did not go below 56F.
The second row and the third row is 79F
The bottom row of 55 gallon barrels are almost covered up with the DWC but they are still 73.7 F at top of the barrel.
11/21/2016 lettuce
Today when I had lunch I went out and picked a tomato and some lettuce for my sandwich.
I tell my wife just in time lettuce production.
Today’s tomatoes