Help with purple grey drying out leaves

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I noticed the runoff from the sicker plant is smelling bad today . Definitely the cause of the problem. Will be using enzyme today and getting orca bacteria product in two days. The problem is starting on my two healthy sisters now. Shit! Any more recourse i can take Waira?
 
sorry for the delay, just too damn busy!
...dead roots would explain most of this for sure, though that ratio is like a bloom booster, not a base nute for bloom or especially growth! Too much K will screw with uptake of some other nutes, and can become toxic if overdone,... Again, what are you foliar spraying with? Than can overload things too if too strong, or frequent...
-- ah! OK, if you're getting foul smells, the roots and the solution are contaminated with bad microbes, and likely damaging the roots too,.. might be pithium rot, but I'm not a hydro' guy, so research that more here, ask around in the hydro section,...
 
Dude flush your plant with 5l of pH water. Check you ec/ppm levels before flushing. Test the run off for pH and ec/ppm. Flush again of ec/ppm is more than 600 ppm.

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I just killed that one. Didn't want deal with it. The others are much better. Next time ill be better prepared . Thanks for the info. Ill sterilized everything after these are done, and i Should be fine . That week of low light messed everything up. Im just waiting for the nugs to grow now on these black jacks. Flipped to 1 12 about a week ago.
 
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