MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (12.5 Pound Kit)
- MasterBlend 4-18-38 Master Kit (3 Separate Components in correct amounts).
- Contains MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate).
- Used by professionals worldwide for optimum plant growth.
- 100% Water Soluble for easy plant uptake.
- Packed by weight in a 1/1/0.5 ratio based off the MasterBlend recipe of 12g MB, 12g, CN, and 6g ES.