Seedling Heat Mat 20 inch x 20 inch ~ 45W Misting Systems At two to four months

At two to four months of use per pack

the meter will freeze a stable reading

Bluelab pH and ppm Pens (Item #'s BLU2210 and BLU2221)

Helps extend the lifespan of the dehumidifier by protecting internal components

Seedling Heat Mat 20 inch x 20 inch ~ 45W Misting Systems At two to four monthsRe engineered for better performance and greater durability! The new, stronger heating wire, and thicker multi layer construction offer more uniform heating and the durability to withstand rugged greenhouse environments. Increases success of seedlings and cuttings Warms root area 10 20F over ambient temperature to improve germination Light, watering and planting information on mat Waterproof construction 6 foot power cord The only UL Listed seedling