GROW!T GMC40l - 4mm-16mm Clay Pebbles, Brown, (40 Liter Bag) - Made from 100% Natural Clay
- Extremely stable in both pH and EC
- Made from 100% natural clay
- Pre-washed to aid in stability
- Drain freely and do not hold any excess water, providing good oxygen levels around the root
- Will not float once fully wet
- Strong structural integrity means that they are less likely to break and compact, which helps to prevent dripper systems from getting blocked
- The ideal environment to foster bacterial growth around the root zone