Royal Terra 1 Compo is a highly concentrated, powerful bio-mineral N.P.K growth and bloom feed for soil prepared using the highest quality raw materials. It contains all necessary macro and micro nutrients in chelated form for lavish crop and bloom growth. Royal Terra 1 Compo does not contain bulking agents, and is suitable for all irrigation systems. Best results with calcium rich soil! Available in 1, 5 and 10L.