Rootex 1L + Cureal 500ml Cureal is Broad Spectrum Anti Bacterial, Zinc Based Herbal Extraction which act as a special defensive mechanism which improves the Immune system of the plant and some of antimicrobial properties suppress and inhibit the pathogen population and multiplication. Rootex is organic manure or Soil Conditioner & pH Balancer. Fost is the combination of Rich Organic Carbons, Humic & Silica.