Silt is any mineral particles that fall within a size range below .05mm

Raw Material contains silt, it is during the production of sand which is a process of washing the raw material through different sizes mesh screen, that we can remove the different size of aggregates which leaves us with the silt the nutrients and the water at the end of the process.

By adding this natural product to your window boxes you can sustain healthy arrangements for longer due to its water retaining properties.