The Viagrow Propagation Kit with Tray, Insert, Tall Dome and 100-Pack of Seed Starter Plugs is great for germinating seeds. This seedling kit comes with premium Super Plugs, Includes Tall Dome, Standard Flat 72 Cell Insert and a Standard Flat. The Viagrow Clear Plastic Dome with a standard 10 in. x 20 in. propagation tray flat without holes that is perfect for the propagation of plants and germinating seedlings. Tall domes are 7 in. tall and perfect for larger cuttings and seedlings. Tall propagation domes create a humid and warm environment for general propagation, clones, and seed germination. Viagrow 7 in. domes come with adjustable vents to control heat and humidity with a built in handle for easy removal. As a general guideline seedling and clones enjoy temperatures of 70-80 degrees and a humidity range of 50%-60%; please be sure to research your particular plant as temperature and humidity requirements will vary during propagation for different plants. Also included is a Viagrow Standard Flat Insert compartmental tray to start 72 separated. Viagrow Super Plugs are pH stable, all natural, easy to transplant, and sustainable and perfect for seedling germinating medias. If you need a seedling heat mat please see Code VSEEDMAT. Shop this propagation kit and other gardening supplies from Viagrow today.