Amazon.com : GEOLITE GMGC10L, Clay Pebbles, Brown, …
Size: 10 liter. GEOLITE clay pebbles serve as a strong, durable and versatile media, perfect for hydroponics and many horticultural applications. Made from 100% natural Italian clay, this media is industrially produced at extremely high temperatures (2200°F/1200°C) and specially treated for a consistent EC and stable, neutral ph.
DA: 56 PA: 92 MOZ Rank: 19