HomeDry fertilizerAmmonium Sulfate 21-0-0 Ammonium Sulfate 21-0-0 Category: Dry fertilizer Product ID: 22846 Description Description Dry Package Size: 50 Lb Related products KMS Pot. Magnes. Sulf. 0-0-21.5 Grow More 20-8-20 pH Down 6-30-30 MAX Grow More 15-15-15