50pcs 25x25x25mm Stonewool Hydroponic Grow Media Cubes Plant Cubes Soilless Substrate Seeded Rock Wool Plug Seedling Block

Features: Made from molten rock spun into cotton candy-like fibers and then compressed into cubes. After high temperature treatment, non-toxic and sterile. The bulk density is small, the texture is light, and the porosity is large. Good air permeability, strong water absorption and good drainage. Suitable for the cultivation and colonization of all kinds of plants. Great choice for soilless planting. Specifications: Color: green Quantity: 50pcs Size: about 25x25x25mm Package includes: 50pcs* wool cubes Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.