Plant Germination Set, 20" x 20.5" Seedling Heat Mat With Thermostat Controller and Thermohygrometer, iPower Mother Earth Works well with all nutrient

Works well with all nutrient lines

This allows your plants to achieve a balance between respiration and photosynthesis in high intensity growing environments where the rate of respiration can sometimes exceed the rate of photosynthesis

The knob that doubles as a button when pushed lets you easily program this product

Chinese patent: ZL201430011816

Sulfur 90% A specially prepared micronic sulfur suitable for use as a dust or spray

Plant Germination Set, 20" x 20.5" Seedling Heat Mat With Thermostat Controller and Thermohygrometer, iPower Mother Earth Works well with all nutrient20 x 20 seedling heat mat& Control Feature? 1. 20 x 20 heat mat fits under one common seed flat. 2. Waterproof design allows you to scrub and easier cleaning. 3. Durable internal insulated wiring for enhanced safety. 4. Digital thermostat provides temperature control between 40? F 108? F (5 42? C), temperature display range: 32 140? F. 5. Digital thermostat Specs: 120 Volts 8. 3 Max Amps 60 HZ 1000 Watts. 6. Easy plug in operation with LED illuminated