What can I crank my nutrients up to in this stage and hat schedule

Hey there Laxguy, the truth is you can't push the plants via nutrients, only via lights and based on VPD. VPD is the relationship between temperature and humidity. Even though 65% feels quite high, you can actually go even higher at this stage in growth. Try to increase your humidity as much as possible and you will notice pretty big changes. Also try to avoid HST like topping, it doesnt change the yield and it does slow down the plant . Your lights you can lower almost 15-20 cm also to get more intensity to the plants. If you combine all these things you will get the growth rate you're looking for i'm sure. Hope this helps ! 🚀