Jump Start Seedling Heat Mat, 3" x 20", 7.3W Soul Smaller blocks can be stacked

Smaller blocks can be stacked on top or planted down into the coco coir

Grow More Fertilizers are versatile products that meet many requirements

Great for containing and transporting liquids and solids

High total porosity (approximately 85% by volume) provides excellent root ventilation and oxygenation to plants

Jump Start Seedling Heat Mat, 3" x 20", 7.3W Soul Smaller blocks can be stackedProduct Details Hydrofarm's windowsill heat mat is perfect for veteran growers, beginners, and children too. It is the perfect size for small growing spaces, and improves germination by warming the root area 10 20F over ambient temperature. By warming the roots, you increase your growing success, as this mat will maintain a controlled temperature all season long. If you ever dreamed of growing a windowsill container garden but found the area just a