RAW Phosphorus contains 61% pure water-soluble phosphate (P). This product also contains a small amount of ammonium nitrogen (9%), which plants can utilize during bloom stage. Phosphorus is particularly beneficial during the early rooting stage, but also provides energy during fruit and flower production. RAW Phosphorus is ideal for boosting phosphorus (P) levels, treating deficiencies and creating optimal recipe solutions. A 2 oz package of RAW Phosphorus makes up to 200 gallons, an 8 oz package makes up to 800 gallons and a 2 lb package makes up to 3200 gallons.