The Viagrow Propagation Kit with Coco Coir, Seed Starter Kit, Tray, 72 Cell Insert, Tall Dome and 650g Brick is great for germinating seeds. This seedling kit comes with premium Coir Media, 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 coconut coir is triple washed, pH stable, all natural & sustainable and regarded as one of the best seedling germinating medias. If you are in need of a seedling heat mat please see Code VSEEDMAT. Shop more Viagrow gardening supplies today.