Nute burn? Suggestions?

DonBud

Active Member
I believe this is nute burn? Been flushing RO every 4 hours for about a day. Clips are 2.5 weeks old, 14" tall. Water at 72, Aurated, Ionic grow With a little Superthrive and Earth Juice, 1700ppm in RO buffered at 5.9 to 6.1, made 50% strenght. Home made stainless EBB N Flow. Co2 1700. Water every 5 hours. I have not change my water in 4 weeks, just add buffered RO, about a liter every 10 days. 4 days ago added a 1 gallon with nutes at 100% strength and whalla. Any suggestions?
 

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Correction, my nutes were at 2800 when first noticed. Added some epsom. Leaves go quick.1 bottom fan had burnt looking edges, then creeped towards center like if it was lit with a flame. own to a crisp brown in a few days or so. notice the growth slow down signficantly from a week ago.
 
thats high probly some lock out issues,i have a book that said you dont need more than like 1500 ppm,and this one guy i know said the plant only uses 700ppmany more is over kill
 
Still having problems.Drained tanks. Recharged with alittle epsom. 1300ppm At 2/3rds strenght with some earth juice added as well. seeing lighter green to yellow in the leaves 1/3 the way in to the center. In another system im getting newly open leaves curly up at the tip and looking like I lit it with a lighter. ph in both systems is 5.85. been growing in hydro for 2 years. first time having any problems. New strand. Please help:wall:
 

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something is wrong that u r missing. IMO, Bugs is right with those ppm's. those r just crazy if correct.
common, common in dro-first signs are the potassium deficiency coupled with mg deficeicny follwed by P deficiency. u have all the above-potassium-burnt yellow leaf edges, brown tip curling-mg those light leaf edges making their way in-or could be zinc-or both. P purpling of the middle aged fans in center of leaf.

so how could they be deficient if u r feeding them the way u r? there is no nute burn.

what u have is classic of dro users especially those who believe his gals have much higher tolerances than every one else's-
very simple-the ec concentration of your res is way way too high. if u measure it I bet it will be over 3.
-recalibrate ur ppm meter
-figure out the ec
-pick up some clearex from dro shop
-run it through system as directed
-resume feeding at 700 ppm's as Bugs suggested

if u click on the link in my sig-it is a lot to read-actually makes me dizzy when im hizzih-
let us know
 
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