GEOLITE Light Expanded Clay Aggregate (LECA) pebbles are perfect for hydroponics, semi-hydroponics and many other 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. LECA pebbles offer the ideal environment to foster beneficial bacterial growth around the root zone. Ideal for drip feed, deep water culture, and flood and drain systems. 45 L bag.
pH-neutral and chemically inert
Stable and low-EC
High total porosity (approximately 85% by volume) provides excellent root ventilation and oxygenation to plants
Excellent draining capacity
Strong, stable and durable
Great for soil aeration and drainage
8-20 mm size