Re-Vita Pro 5-4-5 fertilizer is fully composted for at least 45 days and contains kelp, humates, iron, zinc, manganese, boron, copper, nitrogen, phosphorus, potassium, and laying hen manure, which provides 9% calcium. It is palletized and crushed to flow through equipment. The fertilizer works well due to its composting process and inclusion of micro-nutrients, growth stimulants, and humic acid from its ingredients.