leaves cupping downward (pics)

wilson530 · Nov 25, 2007

I am having a problem with my leaves cupping downwards. It only happens to some of the leaves. I am running a DWC system with GH Flora series nutes, diamond nectar, floralicious plus, sub culture and sweet. pH average is 6.2-6.3, and TDS is at 1700 right now which is like an 80% mix. temp has been between 59 lights off and 74 lights on. any help with this problem would be greatly appreciated.
peace.

GenePerfect · Jan 22, 2013

same problem myself mate, dont worry i bet they are healthy as otherwise right? they droop because of the nutrients in the leaves, your tds is too high, not high enough to burn them however. Are the leaves very dark lush green? if so then thats Your prob there, too much heavy nutes in the leaves.

i'd never go over 1500ppm myself. try 1000ppm next grow and see how they go. This time id flush them and reduce your feed by 100ppm and see how they react... keep reducing untill you are happy with the appearance of them.

leaves cupping downward (pics)

wilson530

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