Draining and refilling the res isn't necessairly a 'drastic' move- how often do you switch out your res anyway?
stinkyattic Reviewed by stinkyattic on . Discolored and twisted leaves The small leaves around the bud sites on all of my plants have started to turn dark and become twisted. The large leaves are not at all affected. I'm using the Lucas Formula, so this *shouldn't* be a nute use (but I'm not rulling that out). I just discovered this morning that the res temps are too high, so maybe that's the issue. Grow Details - DWC Drip Feed Hydro system Lucas Formula - GH based nutes - flowering profile - 920ppm pH - 5.6 and stable 6 - 42w "soft-white" CFL's over Rating: 5