Arlita 40 lt. Hydro Rokz Atami B'cuzz

- Hydro Rokz expanded clay is made from pure, baked, salt-free clay. - It is certified by the RHP substrate organization. - It contains a very low concentration of elements. - It is an expanded clay of the highest quality, largely determined by its pH. Optimal results are obtained by submerging the expanded clay in a nutrient solution or by washing it for a short time; the pH stabilizes, becoming neutral, and the expanded clay is very clean, both for first use and for reuse over several harvests. - It contains a significant concentration of sodium and manganese. - Multiple reuses are possible; it does not get excessively wet or moldy. Hydro Rokz minimizes the possibility of powdery mildew or other fungi and plant diseases appearing, and it does not decompose. - The average diameter of Hydro Rokz is 8-16mm.