Windowsill Heat Mat 7.3W 120V (3 inch x 20 inch) Micro Nutrients water-soluble powder nutrient for clean

water-soluble powder nutrient for clean mixing

Robust Construction: Built to endure the challenges of agricultural settings

Ensures your Evolution-RO1000 runs more efficiently

Lower cost per pack

2 in at 25 lbs with passive thermal management

Windowsill Heat Mat 7.3W 120V (3 inch x 20 inch) Micro Nutrients water-soluble powder nutrient for cleanHydrofarm'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 20 F over ambient temperature. By warming the roots you increase your growing success as this mat will maintain a controlled temperature all season long. 3" x 20" UL listed Power cord included