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If your water is hard
This commercial-grade hobby greenhouse is one of the strongest on the market
Water vapor penetrates the shell and dissolves the nutrient core into the surrounding soil/media
UltraWeb 3000 delivers a superior UV-treated ground cover for less than the cost of 6-mil black plastic
The # 1 blend is designed for use with easy-to-root plants
2 Tray Seedling Heat Mats Hydrofarm Heavy Duty Minerals If your water is hardDescription Specs FAQs Extend your growing season with the two tray Seedling Heat Mat that measures 20 in. x 20 in. Get a jump start on planting with the Seedling Heat Mat, one of our most popular seed mats. Germinate your seeds faster and also increase seedling and cutting success. The mats warm the rooting area 10 20 degrees Fahrenheit over the ambient temperature. Waterproof construction with complete instructions printed on the mat. Easy to use!