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See how the cotelydons are curled down? That a sign they are being over watered. The best way to water rockwool is to dip half the cube in a container with nutrient solution. Its ready to water when the top to the cube starts to feel dry.
Discoloured leaves - any idea?
One plant looks great - in my opinion
The other looks terrible
Both plants have been feed the same nutrients
Water levels in DWC are fine, water temp is great
2 pic of the hurting baby
1 pic of the healthy one
@JMAGOO fix the PH mate it needs to be between 5.5 and 6 for hydroponics
otherwise the plant is unable to access and uptake the nutrients .
So ditch the nutrient solution in there now and add fresh solution PH'd to 5.7-5.8
you should see recovery of the newest leaves but the older yellowed ones are shot sorry to say
JMAGOO
