Pre digested for immediate availability of Calcium, Magnesium and Trace Elements. High analysis of Ca 32 , Si 3.45% and Mg 2.35%. Also contains Nitrogen, Phosphorus, Manganese, natural plant hormones, Vitamin B1 and sea minerals. Immediate supply of biologically sound Calcium in highly available form due the unique digesting process through enzymes and added microbes. Not hyrodlysed - no acid or alkakli used. Contains beneficial micro organisms for improved see germination.