What is it ? Our Rock Dust Combo is a mixture of important minerals that maximize the structure and health of a well developed soil. Each component bring its own specialized characteristic to the soil and together improve the soil tilth, structure, Cationic Exchange Capacity and provide abundant access to trace elements. What’s in it? Basalt Gypsum Oyster Shell Flour Palagonite (Volcanic Rock Dust) Soft Rock Phosphate Diatomaceous Earth Lengbeinite This listing is for 1kg of combination rock dust.
