Cloning media is used to hold the cutting while rooting takes place. The cloning media keeps the cutting just moist enough without being waterlogged. Once the clone roots, the roots will pass right through the cloning media. When enough roots appear, it can be planted directly into your hydroponics system. Our range of cloning media includes Grodan rock wool / stone wool grow cubes, Ezy Plug coco peat blocks, peat pellets and foam blocks.