Maui Waui CA deficiency?

You're giving your grow far too much nitrogen! And you've probably got some lockout issues as well. Since they're in flower, you need to drastically cut back on your grow nutes as these contain the most nitrogen... and start giving them some bloom nutes as these will have the other micronutrients weed needs during flowering. @gmslave is also correct - you MUST check the PH of your runoff - it should sit between 6.0 and 6.5 with 6.3 being the "sweet spot" ... if it is out of that range, you'll need to do a flush (I would encourage that regardless as you've been giving it too much nitrogen)... To do a flush, you need to run PH'd water through each pot at the rate of 3x the pot size - since you're growing in 4-gallon pots, this means you need to flush each pot with 12 gallons of PH'd water. Check the PH of the runoff before you put the last gallon through and if it's within range, you can add nutes to the last gallon - but no more grow nutes! It's easier to fix a deficiency than an excess... Good luck!