Dude, you should document more often, maybe daily if you can manage. This is a big plant. Congratulations, honestly =)
You should defoliate. It will expose the lower buds sites to the light and you will have more buds.
Colour is looking good. Keep feeding what you're feeding. Don't increase the veg nutrients now until flower otherwise you may get nitrogen or nutrient burn. Once it switches into flower, give it just pH water and then the next water you can keep feeding until a week before harvest. Good luck. Hopefully it will be big =)
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