NAA work well too.
Bottom heat enhances root development.
The rooting cycle is generally complete after 4 weeks. Consider that the water-holding capacity that is best for consumer performance may be greater than what is ideal for production. Once established and growing, do not allow soil to get too dry as this will result in damage to the foliage and flowers. A media EC of 2.5 is optimum. Alternate with calcium nitrate on a regular basis.