Hydrofarm Plant!T Clay Pebbles

Horticultural clay pebbles are made from 100% natural clay. Clean and ph stable. 8-16 mm. Offers great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. The ideal environment to foster beneficial bacterial growth around the root zone, leading to naturally healthier plants. Extremeley stable in both pH and EC.; Made from 100% natural clay.; Strong structural integrity means that they are less likely to break and compact, which helps to prevent dripper systems from getting blocked.; Pre-washed to aid in stability.; Drain freely and do not hold any excess water, providing good oxygen levels around the root; suitable for flood and drain systems, multi-pot and drip feed systems.; Will not float once fully wet.;.