Kind of stumped as to what this is.

A few weeks ago one of my ladies started getting slightly yellow tips. At first I though maybe light stress seeing as I did have them a bit close. I moved them up to 2 feet from the tops at that point and also bumped the light down a bit. My other plant has a very slight bit of the yellowing tips but barely noticeable. The last day or two here I’ve noticed some spots turning yellow and brown and the tips becoming more prominently yellow. I thought maybe nute burn but haven’t noticed any browning on the tips. I do suspect I gave bloom nutrients a bit early since she started showing pistils two weeks ago but is still stretching and showing new growth. Any help would be appreciated!

Also I’m growing in a 2x4 tent under a spider farmer 2000 at about 60%. And my medium is fox farms, half ocean farm and half happy frog with 25% perlite.

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Looks like Mg deficiency, add calmag and Ph to 6.5.

The damage will never recover but the spread should stop.

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You sir, I do believe you to be absolutely right. After measuring my runoff at 2000-3000ppm, I’m pretty confident I’m experiencing nutrient lockout. Both plants are being flushed, left to dry, and will be given a light feeding in a few days. I’ll be cutting all bytes in half from what they were previously getting.

Isn't soil runoff always really high, I think just add the cal/mag with a normal watering. Or you can use Epsom salt as well, It has mg and sulfur.

Your runoff will already be high in those soils. You can flush for days and not get your run off down to where you think it should be. I'm with @Hobbes calmag, and I would recommend "Recharge". You are in soil and are working too hard if you're Ph-ing. Let the microbes to their job. "Recharge" just saved one of my girls from root rot(in DWC!!!). Recharge, great in an emergency, awesome all the time. (No I'm not affiliated with them beyond customer)

I

Johiem said:

Your runoff will already be high in those soils. You can flush for days and not get your run off down to where you think it should be. I'm with @Hobbes calmag, and I would recommend "Recharge". You are in soil and are working too hard if you're Ph-ing. Let the microbes to their job. "Recharge" just saved one of my girls from root rot(in DWC!!!). Recharge, great in an emergency, awesome all the time. (No I'm not affiliated with them beyond customer)

Click to expand...

always seeing this product plugged here…

Call it a "plug", "testimonial", whatever, it works. I had already lost one to the rot but I got a lot of new little roots on the one I applied the recharge to. Also 9 bucks for a few trial packs from Amazon is not a massive investment to see if or will help you. NOTE: You may not see a difference if your grow is already rocking, out but a definite improvement if not.