... 19 30% 40%, 45% 60% 10kg, 25kg, 40kg, 50kg bag. Water Solubility 100% High Purity NPK 19-19-19Product DescriptionWater soluble ... process which is developed specifically for making high quality water soluble fertilizer and can strictly control over solubility, soluble ... and moisture; Thus providing a consistent and uniform product. Water soluble fertilizer, depending on its characteristic of easy to ...