APF SoluGreen 21-0-0 Soluble Ammonium Sulfate – 50 lbs – Seed Barn

SoluGreen 21-0-0 Soluble Ammonium Sulfate SoluGreen is double screened creating a very uniform SGN approximately 100 with the lowest heavy metal content. That is why SoluGreen has the lowest heavy metal content in the industry. Organics are removed before SoluGreen crystallizes resulting in a non-foaming product.