So I noticed a few brown spots on this plant . Up until I noticed it I hadn’t given it any nutrients. Usually, the soil that I run is enough to get them to the end. I’ve had problems in the past with the PH being too high or low and nutrients being locked out. So I was very wary in feeding it anymore . So I waited for it to dry out . Watered it again, and checked the runoff. It’s a couple points north of perfect. 6.8 . Shouldn’t be an issue with lockout. So I made a tea with some terp tea bloom. And a little bit of earthworm castings. Brewed the tea and then fed the plant half strength . The parts that aren’t already dead seemed to green up a little but it may be too late to help . Now I have a second plant that looks like it’s starting to do the same thing . Not sure how I should proceed? Or if I should get rid of the first plant affected . Here are some pics . The first couple pictures are the first plant I noticed .
I fried my plant
- Thread starter Jburner8011
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Again, I checked runoff and it was 6.8- 6.7. Well within range. Could I have ran them out of food? It would be the first time that that has ever happened. Usually the sohum soil is enough to get them to the end . Not this time apparently
The defieciency (or whatever it is) seems to be mainly from the middle of the plant to the top. Lower branches looked alright but it’s starting to spread .quickly!
Try aloe vera + h20
Take 0.8 off that and it’s good for your medium
Looks like perhaps a phosphorus def to me, but @Mañ'O'Green is the expert. What kind of ph meter are you using, and when did you calibrate it last? Incorrect PH can cause all sorts of symptoms that look like other things. Ideally for soil you're going to want to have your ph between 6.3 and 6.8, using different ph each time as opposed to the same every time, since some nutrients are absorbed at higher/lower ph levels. Testing run off really isn't all that accurate though.
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Yes it does look like a P-K shortage.
