DescriptionAre you still looking for the secret to increasing the successful planting of plants? Are you still worrying about the extremely high mortality rate of plant transplantation? Don't worry, as long as you use our Hydroponics Sponges Growing Media, these problems will no longer exist.Features-Color:White -Material:Sponge -Size:4.50X4.50X2.70cm/1.77X1.77X1.06in - It can achieve a high success rate of transplantation. Used with confidence. It can provide enough nutrients for plant seedlings to make them grow better.- Hydroponic Sponges are used to grow plants such as fruit, bean, vegetable, flower and so on in shed planting, modern agriculture, etc.- This is a quick and easy method of rapid breeding, suitable for plant nurseries and home planting.- The Hydroponic Sponge is a seedlings substrate made of safe material, which is breathable.- Widely used in shed planting, modern agriculture, artificial breeding, vegetable planting base, the cultivation of green vegetables and other fields.