50 Rock Wool Blocks, Hydroponic Cylindrical Rock Wool Plant Stoppers Wool Rockwools for Cuttings Culture for Hydroponics, Flowers, 2 x 2.7 cm

Total 50 pieces rock wool blocks, each size is 20*27mm, suitable for agricultural seedlings and indoor plants. Rock wool blocks are made from rock wool, spun into fibers and then pressed into round cubes at extremely high temperatures. Low bulk density, lightweight texture and durable. Rock wool caps have good absorption ability, can quickly absorb nutrient solutions and promote rapid plant growth, which makes it easier to grow seedlings and are easy to use. It has a strong ability to absorb nutrient solution and retain water, store enough oxygen and promote rapid plant growth. Rock wool plugs are suitable for agricultural seedlings and hydroponic plants; Rock wool clods are also suitable for potted plants, flowers and garden vegetables, making it a good choice for above-ground cultivation.