Kush Kings ultimate grow gavita de 1000w

Switched timers to 1212 took 6 clones and will defoliate a good bit tomorrow and then at week 3 flower 23rd March all is good 5 showed sex 24th March temps peaking to 31oc sometimes lights on under 750w setting gavita de so will be purchasing a 6inch L or 8 inch rvk sileo fan and adding that as the exhaust fan and the current exhaust fan as the new intake as its not keeping temps down enough, will then move the current intake to my big bud tent and give my friend back that 4 inch rvk for his last days of flowering so he can run 2 600s