Seedling Heat Mat,Isport Seedling Propagation Starter Warm Hydroponic Heating Pad 10"x20.75" Waterproof Seed Germination Starting Heat Mat for Seedling Cloning Cutting Black SEEDLING HEAT MAT can promote the germination of seeds,accelerate the growth of plants,and improve the survival rate of plants. This seedling heat mat is perfect for vegetable,herb and flower seedlings,accelerate germination speed and also on seedling and cuttings success. SEEDLING PROPAGATION STARTER works great for starting plants early,seedling heat mat for better plant growth and flower seed germination. Can support four 72 cell germination stations at one time. DURABLE AND WATERPROOF WARM HYDROPONIC HEATING PAD,it's new,stronger heating wire and thicker multi-layer construction,durable,waterproof construction and easy to clean,our seedling heat mat retains moisture and is safe for use with both indoor and outdoor plantings. It's also suitable for pet enclosures and terrariums, such as those used in reptile, rodent and arachnid keeping. BOTTOM HEAT is one of the most important and effective ways to improve germination and rooting. The seedling heat mats have been re-engineered for better performance and greater durability. The new, stronger heating wire and thicker multi-layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments. PERFECT FOR veteran growers, beginners, and children too. They improves germination by warming the root area 10-20F over ambient temperature.By warming the roots,you increase your growing success,allow you to maintain desired fermentation temperatures in carboys.