What do the three numbers mean on fertilizers? (NPK)
1) Nitrogen (leaf development, top growth) 2) Phosphorus (roots and blooms) 3) Potassium aka Potash (roots).
To shop Gertens fertilizer options, click here.
1) Nitrogen (leaf development, top growth) 2) Phosphorus (roots and blooms) 3) Potassium aka Potash (roots).
To shop Gertens fertilizer options, click here.