Hydrofarm Grow!T Clay Pebbles-10Ltr

Made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure and ability to cover a large surface area, they offer the ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants. Benefits: Extremely stable in both pH and EC; Made from 100% natural clay; Pre-washed to aid in stability; Drains freely and does not hold any excess water, providing good oxygen levels around the root; suitable for flood and drain systems, multi-pot and drip feed systems; Pebble size 4mm - 16mm.