Yeah man for sure you're doing excellent your ladies are off to a kick ass start ! If you want to ensure maximum growth for time saving you can add a rooting solution as well as a humic/fulvic acid solution to your nutrient mix up , this will help your root mass explode in growth as well as give if better nutrient uptake and the humic/fulvic's are like a protein shake to help rebuild faster and stronger ! All in all your on your way to having some kick ass young ladies almost ready to top them soon even if that's the route your going to be taking ! All in all if your happy with what you have I wouldnt change a thing , if you want it to be quicker and more robust then its a simple fix of your nutrient solution :) I hope this information helps you ! -Happy Growing!