dwc leaves cuppiing"help"

new growth and leaves cupping, roots are turning tan near pot
ph was high 8.0 it is now 5.9 res temp 66 using dutchmaster "grow" nutes
lights 6-100 watt cfl. gurus please advise this rookie first time dwc
THANKS!

Little do I know, I thought they looked good.

I'm with nameno. Where's your area[]s] of concern?

my main concern was that my ph was really high for a while,also some of the roots have turned tan in color.
thanks to you and nameno for the reply!! you folks have eased my mine.

hotrodharley said:

I'm with nameno. Where's your area[]s] of concern?

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6.2 is as high as i would let ph ride. 5.5-6.2 is a good rule of thumb. good luck!!

looks great man, keep growing strong.

After a while with DWC, the roots tend to take on the color of the nutrients. Not a major concern. Your plants look good, just keep your ph under control and you will be good to go. Good luck and happy growing