Weird raised burnt edges and tips

PJ Diaz said:
You calibrate for EC, or only PH? I haven't seen those cheap EC meters come with calibration solution before, only for PH.
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It was like some bundle deal - came with a Ph meter and a TDS/EC meter neither came with calibration solution I had to buy them separately
 
Nilspoulsen said:
It was like some bundle deal - came with a Ph meter and a TDS/EC meter neither came with calibration solution I had to buy them separately
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That's good that you got the cal solution, but I'm guess it cost you almost as much as the meter itself. Maybe go for something a bit better like this when you buy your next one: https://www.amazon.com/Apera-Instruments-Conductivity-Accuracy-Complete/dp/B01ENFOIPK

I'd still flush with a 50% nute solution to try to get back to a good starting point in your media. You aren't going to fix the damage, but you will prevent further damage.
 
Plant doesn’t look bad, slight tip burn, whats the light schedule? If they aren’t drooping or tacoing, i’d leave it, back off the N as suggested.
 
What is your temperature and RH like?

High temperatures and low RH will cause higher transpiration leading to the plants taking up more nutrients than they need. Especially coupled with the higher DLI from a 20/4 schedule.
 
Symptoms still seeming to progress- changed the nutrient ratios so that it would intake less nitrogen and it’s only getting fed 790 EC or .790 EC
really just want to get some dense bud off of this but not sure what’s going on or how feasible it is with these issues
Would love some more feedback, thanks in advance
 

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Nilspoulsen said:
Symptoms still seeming to progress- changed the nutrient ratios so that it would intake less nitrogen and it’s only getting fed 790 EC or .790 EC
really just want to get some dense bud off of this but not sure what’s going on or how feasible it is with these issues
Would love some more feedback, thanks in advance
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The issues you are seeing could be from weeks ago
They won't revert back
 
twentyeight.threefive said:
Could have swore this was asked already but I guess not.

What pH are you feeding at and do you check it before every feed?
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Not sure if it was asked but I don’t actually check the pH almost at all when I feed because I’m using pH perfect nutrient solution at the start of the issues I pH’d it and it read 5.85. I checked one more time after that and it was around the same so I haven’t checked since then.
 
Update on how it’s looking:
Obviously not too good nugs are falling and I’m having to tie them up which is a pain in the ass and stresses the hell out of me.
Just feel like the grow is falling apart…
Getting fed once a day at 800/.8 EC with a 40/60 mix of part A and B
Burns don’t seem to be getting worse but the tops of the leaves are yellowing as you can see.
Losing space between the buds too because I’m having to tie them up
Would love to hear some feedback
Thanks
 

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I don’t think you really are making a good faith effort to correct the issue and you certainly aren’t going to be able to reverse the issues
So I’ll ask again
Did you do anything to increase light?
 
You didn't say how much runoff.

If you're only getting a teeny amt of runoff, i suspect you're getting nutrients/salts built up. My suggestion is a slightly lower concentration of your nutrients and do a fertigation-flush, run a bunch thru and I bet that'll put everything back on track
 
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