Man, last night my levels jumped to 2,200. A major source looks to be the stove top as we made lentil soup. I also heard about windows: opening up the top and b

Man, last night my levels jumped to 2,200. A major source looks to be the stove top as we made lentil soup. I also heard about windows: opening up the top and bottom to let hot air out and cold air in. Will try it out once we have 60º nights.