Biogreen Hydrorocks are an ideal basis for hydro culture.
– Hydrorocks allow your plants to grow healthily and provide the roots with a good grip.
– Biogreen Hydrorocks can also be used for a variety of decorative purposes such as: covering flower boxes, plant dishes, etc.
Covering with hydro-granules also prevents potting soil from drying out too quickly. Suitable for all your hydro culture.