Johnny’s Commercial Heat Mat – Add-On

A key component to propagating seedlings like tomatoes, peppers, melons, and other crops that require soil temperatures of more than 70 degrees for the seeds to germinate. These commercial-grade heat mats are ideal for seed germination and plant propagation. Double-insulated, durable construction with patented waterproof seal around the edges to protect mats from damage. Sized to hold 5 standard 1020 seedling trays. Link up to 7 of these Add-On Heat Mats to the Master Heat Mat (#6275) to expand your growing operation. Includes the Johnny’s quick guide to germination for various crops, based on findings from our Research Farm. ETL Certified for safety. 120 volts. 150 watts. 50/60 Hz. Includes two 24″ daisy chain power cords. Dimensions: 21″ x 60″. NOTES: Designed to raise the soil temperature in the root zone 10 to 20 degrees above ambient air temperature. A Johnny’s Master Heat Mat (#6275) is not included and is required for use.