Tough As Nails Seedling Heat Mat 10 Inch By 20 Inch, Hydroponic Heating Pad Waterproof For Seed Starting, Greenhouse Germination, Keeps Roots Warmer 10 To 20 Degrees Above Ambient, Safer Heavy Duty Easy To Use

Single seedling heat mat 10x20in for reliable germination
✔️ 10x20 in (254x508 mm), 17.5W, cord length 5.9 ft (1.8 m)

This compact, waterproof seedling heat mat provides steady warmth to seeds and root zones, ideal for seed starting, greenhouse germination, hydroponics, and terrariums. Built with safety in mind, its water-resistant construction stands up to regular scrubbing while you monitor temps in growing spaces.

✅ Heats 10-20°F (5-11°C) above ambient for steady germination
✅ Heavy-duty multi-layer construction with insulated wiring; water-resistant but not submerged
✅ Uniform heat distribution from a thickened wire to avoid hot spots
✅ Dimensions: 10x20 in (254x508 mm); 17.5W; Cord: 5.9 ft (1.8 m)
✅ Color: Black; Safe, durable design for seed trays, greenhouses, terrariums

💡 What is a seedling heat mat used for in seed starting and greenhouse germination? It's designed to deliver reliable warmth to seeds and root zones to boost germination rates.

• Delivered heat helps seeds break dormancy faster and promote uniform sprouting.
• Works well with seed trays, hydroponics, and terrariums in cool spaces.
• Pair with a thermostat for precise temperature control and energy efficiency.