Rock-Wool Cubes, Hydroponic Grow Cubes for Cuttings/Cloning/Seed Starting, Soilless Cultivation Seed Starter Sheets… Price: $25.99 (as of 04/10/2022 17:27 PST- Details)

【High Quality】 Made from molten stone that is spun into cotton candy-like fibers and then pressed into cubes. Perfectly-sized to fit a standard flat growing tray. Packaged in bulk to save you money
【Advantages】 Good air permeability, strong water absorption and good drainage. Suitable for cultivation and colonization of plants of all kinds. Good choice for the ungodly planting
【Make Planting Easier】 It has a tremendous capacity to absorb nutrient solution and high levels of oxygen for rapid plant growth. Much easier than starting in soil! Predrilled planting holes make seeding and plant propagation a breeze. Great for hobby and commecial growers