WW Auto Final Stages Cal-Mag Issue

[LilMikey420]

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[Waira]

okay, that helps- thanks! In soil pH is what matters most here, water inputs not so much, and being so soft (low mineral content) it has poor pH buffering capacity, making the soil less able to buffer as well... that said, and with the new pics, I take back the diagnosis on Ca-- it looks like the necrosis is more or less folllowing the midrib and veins, right? That's almost always Ca defc. though the broad dead patches are not typical symptoms,... get some nutes in there, it should have some Ca in it, ditto for the molasses,...

 

[LilMikey420]

10/4 captain.
Yeah i am thinking that after flush she sucked out remaining nutes to fast. (I have read that will happen with this strain.)
And i also started flush to soon.
Live and learn.

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[LilMikey420]

Also since this happened she is in the dark room. I am thinking light at this point is just adding more stress?

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[Waira]

...the last pour through on a flush should contain about 1/4 strength nutes so you don't leave a wasteland in there! Are you using an LED? --they do seem to put greater demand for Ca than other lights,... did you take a pH reading? -that's key! No minerals in your water, no Ca-Mg, and it's easy for what buffering is in the soil to be overwhelmed or depleted... flushing with higher pH water will help correct the low pH... what's your tap water like for hardness? The CaCO3 in there is what give buffering capacity...