Whats wrong with my plant ?

II'm about 6 weeks into flowering and like 2 days ago this started ... any suggestions ??

IMO its normal that late into flowering. Its using its stored energy in the leaves to finish its flowering. I may be wrong though. Someone else will chime in soon im sure with a little more experience than I.

looks like a little heat stress on top of the buds m8, i cud be wrong but it looks similar to a problem i had a cpl grows back and that was just the buds too close to the light

It does look like heat stress to me, I would suggest moving the light up 3 to 4 inches until it stabilizes
Dr. Jekyll

They do not look healthy at all, what the hell have you been doing to them?
Mr. Hyde

Ii just been giving it flora duo, big bud and overdrive , now only overdrive.I have a 600 watt hps and have it about 15in away from the tops.

Definitely not normal for 6th week. Something is stressing it and if you say it pretty much happened within a few days? Or gradually. I would guess you may have some nutrient issues if it occurred within a few days. If was heat stress IMA it would happen more gradually unless you moved the light too close.

bandannab420 said:

Ii just been giving it flora duo, big bud and overdrive , now only overdrive.I have a 600 watt hps and have it about 15in away from the tops.

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If not light burn, then I suggest you are withholding too much Nitrogen. The bottom fans will yellow as the bloom progresses.

But, as I understand it, I need enough N, throughout to keep the top leaves healthy and green.

Most of this bloom food is junk. Maybe some type of plant out there, needs Nitrogen starvation to bloom, but not this one.