Calcium Deficiency? Did I do this right?

ec121 said:

Symptoms due to an ongoing problem take a while to show up on the plant, so if you're testing your runoff and it's regularly 1.1 higher than your inflow, you can correct the problem before any symptoms show itself on the plant and the plant will be happier.

But I'm guessing dude was asking you what your runoff numbers are because specifically you do currently have a problem that is expressing itself visually.

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heykevo said:

Do these look like calcium deficiency?

Growing in coco, 3x3, 4 plants, elev8 megasonic, 300w LED light. I'm 24 days after the flip.

I messed up my nutrient batch by forgetting to adjust the PH. The EC was good, PH was 7.8. I fed the plants to 20% runoff and then realized oh crap. That night I adjusted the PH and let it settle and my brain said "go low" to offset the high, so I brought it down to 5.5 and fed again to around 50% runoff. After taking a moment to think about it I realize I should have just adjusted as normal and fed a good bit to run off the high PH, but mistakes were made.

The next night I open up the tent and this had started. I didn't notice it too much, wasn't terrible, and again dumb me forgot that my entire batch of nutrients was only 5.5ph, so I kept feeding from that same 5.5ph batch.

Three days later this is what I have and I realized that I'm an idiot.

So I went ahead and did a full flush 100% runoff with 6.5 ph plain water, let it sit for an hour. I mixed up a nutrient batch at 6.5. I'm reading that calcium upticks better at a higher PH. I'm going to bring that 6.5 down to 6.2 tonight, the 6.5 was just kinda for a recovery day. I doubled the cal-mag for this batch or 5mm per gallon instead of 2.5.

So I think I didn't really think it through initially and now I think I'm overthinking it.

Anyone have any insight on if I did this well or if I should have done / should do something differently?

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