Perlite is baked volcanic rock that provides an airy substrate and improved drainage. Use Perlite to improve the structure of the soil. It has consistent quality, is germ-free, and provides the ideal water/air ratio. Perlite stimulates root development and carries the RHP quality mark.
Mix 10–35% Perlite into the soil.
100% perlite
pH (H2O): 6.5 – 8.0
EC: 0.0 – 0.1 mS/cm
Granule size: 0 – 6 mm
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