You're only just six weeks into flowering, you still have at lst two to three weeks left! But if you are talking about giving it a boost just feed it plenty off pk. You can buy a pk booster boot its not necessary
Hey paparazzi, are you talking about the ripen? If so you don't need to use it. It is really to force your plant to ripen if you have to harvest early for some reason. Best to let her ripen on her own time when she is ready.