Plagron - Euro Pebbles 45 LitresPlagron Euro Pebbles Premium Clay Pebbles for Hydroponic Setups Plagron Euro Pebbles are high quality, inert clay pebbles designed for professional hydroponic growing. With excellent aeration and drainage properties, they help create the ideal root environment for fast, healthy plant growth and high yields. Perfect for ebb & flow, drip systems, and other hydroponic setups. Key Benefits 45L Bag: Great value for filling multiple pots or large hydroponic