Seaweed for plants has been used by gardeners and farmers for thousands of years. People used to collect it off the beach and put it right in the soil as a fertilizer, which quickly releases rich nutrients, dozens of nature minerals and vitamins and other beneficial components. Seaweed's unique biology fertilizes and stimulates plants for centuries. Combined together the effect is a powerful organic feed that promotes strong growth and healthy, taut crops. The N-P-K ratio (%) is 5 - 3 - 2 respectively. Available in 10, 25 kg. bags. and 1000 kg. big bags