The Green Pad CO2 generator that you know and love now comes in a format that is perfect for seedlings and cuttings. To operate the The Green Pad Jr. CO2 Generator, 10 Pack, simply roll it up and place it in the hole of your tray. And that's all there is to it, no spraying or maintenance needed. Each Green Pad Jr. in the The Green Pad Jr. CO2 Generator, 10 Pack is good for about one and a half days of carbon dioxide. Optimal CO2 levels are key to fast rooting; using The Green Pad Jr. CO2 Generator, 10 Pack will make your seedlings and cuttings root two to three days faster than usual and will improve their overall health and success rate. Each pack of The Green Pad Jr. CO2 Generator comes with ten Green Pad Juniors.