Growth Science rock Solid (1 Quart)

Growth Science Rock Solid is a premium rooting hormone and plant growth stimulant designed for hydroponic systems. This 1-quart concentrate delivers powerful auxins and cytokinins to accelerate root development, strengthen plant structure, and enhance nutrient uptake. Ideal for propagation, cloning, and vegetative growth stages, Rock Solid promotes vigorous root systems that support higher yields. Mix with water according to label directions and apply during early growth phases. Compatible with all hydroponic growing methods. Professional-grade formula trusted by serious growers.