I was reading and found a product by Herbagreen called ''MG BASIC'' it is a foliar spray of calcite micro particles. Anyone use this and what benifit for the plant? Whats it do? The website say "acts on the plant reinforcement and on the activation of the primary and secondary metabolisms" but would like your imput and opinions. thanks edit to add link http://www.acting-herbagreen.com/eng_products.htm#top-01