Dutch Pro Silica Dutch Pro Silica Von Liebig's Special is used to increase yield and stress train your plant. Silica improves the uptake of nutrients, promotes stronger and thicker stems, provides resistance to bacterial and fungal diseases and decreases stress. Silica also allows for better root development and faster growth. Dutch Pro Silica Von Liebig's Special is highly concentrated and uses nanotechnology for an increase in efficiency. Silica increases the resistance against heat and droug
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