Can someone please identify WTF is wrong with my girl?

shiva71

Well-Known Member
Hi
Im, almost embarrassed posting these. Fastbuds strawberry banana auto in DWC, 250w mixed spectrum LED. Roots are fine, pH and ppm ok, shes getting Canna hydro A + B, in some ways the damage looks like a calmag issue but shes been on that for a few days and still these horrible deformed leaves. Temps 24° RH 60 - 80%. I did find 2 bugs today, little brown beetle things but i just had a good look and didnt find any more. 2 plants are getting these fucked up leaves the other one is fine, all the same strain.
Can anyone help?
Thanks!!
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pghdave420

Well-Known Member
lockout or looks like the start of mag defi. but sure more will hop in to give better answers(im not a dwc grower) .don't feel embarrassed ,alot of people have plant problems,plenty of good folk to help ya out
 

shiva71

Well-Known Member
lockout or looks like the start of mag defi. but sure more will hop in to give better answers(im not a dwc grower) .don't feel embarrassed ,alot of people have plant problems,plenty of good folk to help ya out
Cheers man. Had lockout issues before but AFAIK that mostly comes from over feeding my ppm has been dropping steadily which suggests i havent been overfeeding her. Tempted to dump a high dose of calmag in the rez and see how she responds...
 

bignugs68

Well-Known Member
nub grower** researched mucho.

looks like nitrogen toxicity - dark green, curled+clawed leaves. Those tips burnt/dark brown? clearly also something else with yellowing of interveinal growth. you say "ph is good" whale...what is it lol. 5.7-5.9 I hope.

EDIT: Quote - "
Nitrogen

Nitrogen


When in the form of ammonium, NH4+, nitrogen interacts negatively with the plant’s uptake of calcium, magnesium and potassium, particularly when the NO3- (nitrate)/NH4+ (ammonium) ratio is low.
As a result, excess NH4+ can lead to a deficiency in any of these three elements. This is an important problem in hydroponic growing, which normally uses an inert growing medium with a low or zero CEC index; here the quantity of available calcium, magnesium and potassium depends solely on what is in the nutrient solution, unlike soils or substrata with high CECs which normally hold a large quantity of these elements. " - Cannanutrients

whatever that means to yuns lol. again nub grower but that's just some quick researched quote :bigjoint:
 
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