Hydrofarm, Inc. All-Purpose Feeder Packs 20ct RT1433

NPK 12-10-10 All Purpose Feeder Paks are polymer coated controlled release fertilizers that will supply your nutrients to your plants for up to 12 months. These environmentally safe, biodegradable packets are the most efficient means of providing a supplemental source of nutrients to new transplants, indoor potted plants, and other ornamentals. The placement and means of release, proprietary to RTI, has been documented in the American Journal of Soil Science (67:300-308(2003) and assures that less than 1% of the nutrients are lost to the environment.