Im getting the same problem!

sorry they are out of order:

1st pic: after a few days of spotting
2nd pic: after a week or so of spotting, they dry up and shrivel
3rd pic: early spotting, 1st day or so
4th pic: everything
my setup:

600Watt HPS - 30 inches from plants
DWC
plants are 24 days old, was on a 17/7 for first week and a half and then a 14/10 for the next week and a half, 23 days into it, switched to 12/12.
pH of water: 5.0-5.5
Nutes: 20-7-7
3 Fans to keep everything cool
Revanche21 Reviewed by Revanche21 on . revanche's dwc problem Im getting the same problem! sorry they are out of order: 1st pic: after a few days of spotting 2nd pic: after a week or so of spotting, they dry up and shrivel 3rd pic: early spotting, 1st day or so 4th pic: everything my setup: Rating: 5