Learning2GrowWeed
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Mine starts with yellowing in between the veins at the tip. I can't see any that look close other than the potassium deficiency picture. I have been doing fine with Ethos Moroccan Kush, but any other strain seems to have issues. I imagine moving and changing lights, nutes, temps, and humidity have messed them up some, but this just worsens regardless what I do.
What is your feeding schedule? How much of each?
Watering them every 3 days alternating between water and nutes every other time. 3 micro 2 bloom 1 gro per gallon.
It does look like a potassium deficiency but why is the question; what medium are you using, how are you pH'ing and to what number are you setting the ph and PPM, have you done a slurry test? The more info you can offer the betterMine starts with yellowing in between the veins at the tip. I can't see any that look close other than the potassium deficiency picture. I have been doing fine with Ethos Moroccan Kush, but any other strain seems to have issues. I imagine moving and changing lights, nutes, temps, and humidity have messed them up some, but this just worsens regardless what I do.
6.0-6.5 with fox farm ocean forest 800-900 ppm and what's a slush test?It does look like a potassium deficiency but why is the question; what medium are you using, how are you pH'ing, and to what number are you setting the ph and PPM, have you done a slurry test? The more info you can offer the better
I'll check that tomorrow and let you know the results.I wait 10 minutes
Ah, I was always under the impression anywhere between 5.5 and 6.5 is good. I think you may have found the issue as it came back 6.05.A slush test, or slurry as I like to call it, will tell you things about your soil that you can only imagine otherwise
Like for instance it might tell you that you haven't been flushing out your soil on a regular basis
Recommend you do some reading and then if you get these results let us know
Edit: 6.5 is the optimum soil pH; 6.0 is too low & may have contributed to your issue
+1 Damage seems to be all up top and potassium deficiencies usually start at the bottom ?50k lux no issue but how close to the plants is that cmh?
I usually find em starting at the middle and lower yes.+1 Damage seems to be all up top and potassium deficiencies usually start at the bottom ?
Ok, so got the PPM down to 300-380 on all of them and PH around 6.5-6.58. Hopefully, that will fix my issue.I agree if there is high ppm it can also affect water uptake.
I would look at it like this.
Potassium regulates water uptake, salinity affects water uptake maybe a bit of both being an issue...could be many causes like PH also... high nitrogen can burn the plant but doesn't quite look that way to me since I don't see the signs but could just be my eyes. then strong light and poor transpiration leads to burning of the leaves from the light because they cannot cool themselves well enough.
About 24" and the ones burnt the most are the ones furthest away oddly enough.+1 Damage seems to be all up top and potassium deficiencies usually start at the bottom ?
1 gallon per plant every 3 days in 2.5-gallon pots and I was using my normal RO water at 6.75 every other time and When I added nutes allowed it to fluctuate between 5.5 and 6.5. I think allowing too much acidity in the water and not flushing with enough water. I wasn't allowing enough water to flush through the plant, based on how many gallons it just took me to do it.Watering practices?
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