Youtuber Seals Himself in an Dangerous Air-Tight Jar Just to Prove a Point

The Nitty Gritty

Kurtis estimated that there were about 30,000 liters of air within the structure that would sustain a human being, but the main concern was that the CO2 levels would build up to a lethal point. If the plants weren't in the greenhouse with him to counteract the CO2, he would not survive. He added sunflowers, corn, beans, and various other plants to help him combat the CO2 levels.