Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W air sanitization they are naturally air pruned

they are naturally air pruned by exposure to air

Bluelab® pH Controller Connect™

✔ Expanded pH Range for Versatile Testing

This means nutrients release over time in the soil

hand trimmed quality is easily achieved

Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W air sanitization they are naturally air prunedThis is the add on unit for the MTMDU Commercial Heat Mat. You can daisy chain up to 4 of these units to the MTMDU unit to maximize your seed starting area. Bottom heat is one of the most important and effective ways to improve germination and rooting. Our new HEAVY DUTY modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings. Warms root area 10 20F over ambient temperature to improve germination. Supersized mats: