House and Garden Magnesium Boost: Magnesium Boost supports longer vegetative growth and larger-leafed varieties by supplying additional magnesium and nitrogen. Magnesium and nitrogen are central components of chlorophyll, the plant pigment that absorbs light and harbors photosynthesis.
Specifications
Dimensions: 3.3L x 3.3W x 9.5H (EA) 10.5L x 13.8W x 11.0H (CS) 49.0L x 42.0W x 47.0H (PL)