Pistils turning orange/brown

Please help me to sort it out this mystery.
Growing Zowahh strain under full spectrum LED'S. RH 55-60 Temp 25-30 c° (I was advised to keep temperature higher while growing under LED'S)
3weeks and half in flower and pistils turning orange/brown. this is happening for the second time in a row. Previously I was growing Amnesia and I've had the same issues. No hermaphrodite was detected.
Any idea please cos it drives me mad....
 

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Last edited:
Give us the full pic of your setup -

Lights / distance
medium
nutes
water / ph
temp / rh

pics of canopy / number of plants

Is this happening on tops only or all ?
More info the better.
 
Give us the full pic of your setup -

Lights / distance
medium
nutes
water / ph
temp / rh

pics of canopy / number of plants

Is this happening on tops only or all ?
More info the better.
Its happening only in the middle of plants.
LED'S full spectrum on 600w at the moment, distance 3ft coco medium, temperature 25-30 c° RH 55-65 pH 6.0
Pictures attached
 

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Give us the full pic of your setup -

Lights / distance
medium
nutes
water / ph
temp / rh

pics of canopy / number of plants

Is this happening on tops only or all ?
More info the better.
Plants under HPS lights looking absolutely fine, no browning pistils whatsoever...
And it happening second time in a row
 
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