Coconut husks from which COCOPEAT products are made from, do in fact contain naturally formed high levels of Potassium Chloride and lesser lever of Sodium Chlorides at the primary processing stage. These salts are also nutrients in another sense, but they are reduced to a beneficial level by four basic processes. Ageing, Ageing by Influenced by bacterial introduction, washing & buffering which means the products are chemically exchange & discharge of salts prior to it being used as a growing medium.