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Back to Grow Questions
Nutrient burn/nitrogen toxicity?
Tubington9
started grow question 4y ago
I seem to be experiencing nutrient burn and nitrogen toxicity, is this fixed by just flushing with PH’d water for the next couple feedings?
Solved
Leaves. Tips - Burnt
likes
ChitownCannaChica
answered grow question 4y ago
Yes! Do exactly that! Major tip burn and curl! ✌️🏻💚🌿💨
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
torquesan
Need some help asap
What is wrong with her? :( I am assuming N Deficient, but I also have veeeeeeerryyyy lightly burnt tips so it is confusing to me. The lime-greening of the leaves makes me think N Deficient though.. Any thoughts? I have some new nutes on the way should be getting here tonight too.
Leaves. Tips - Burnt
Leaves. Color - Yellow
Feeding. Deficiences
4y ago
3
5
Solved
rfzhr
They’ll be okay? High temperatures
I have little problem with temperature in my growroom. My ladies are on the end of 6 week. One is a lot bigger than other. But they both are Think Different. Temp is on 32*C and sometimes they have even more temperatures. Humidity 42-50%. Can’t fit in ac. They’ll be okay
Leaves. Tips - Burnt
Other. General questions
5y ago
3
Solved
stonedJesus
Please help. Last plant died exactly like this. Yellowing drying leaves from the bottom on all fan leaves while shoots get stunted / eventually affected.
Transp recently from 1g > 5g. Seemed ok at first day after (no wat) then leaves started rapidly yellowing / drooping. Tent is fairly small 40x40x120. Could it be the heat ? Also took out humidifier but still in same room tent vents. Is Canna Pro Plus watered between 5.8-6.2 ph ?
Week 5
Leaves. Tips - Burnt
Leaves. Color - Yellow
Plant. Stem - Red or purple
5y ago
5
8
Solved
HueyBrown
Summer is super warm and not windy. I have a humidifier, i am foliar spraying her with aloe vera and liquid kelp but unfortunately the 3rd node leaves are already burnt. How can i make sure the leaves will still help her going through the mainlining training stress properly?
Week 4
Leaves. Tips - Burnt
Leaves. Other
Techniques. Main-lining
5y ago
2
2
Solved
Johnnypotgrowr
Defoliation late in flower on Auto's
I like to defoilate, If I were to pick majority of the fan leaves off of these plants being Auto's, will they react or stress too much? I like to defoil near the end of flower to really push all the focus to the budsites. Happy Growing!
Week 8
Leaves. Too many
Leaves. Tips - Burnt
Techniques. Defoliation
2y ago
5
6
Solved
ElonMuskFanClub420
Tip of leaves burnt
Has been vegetating for a while and growing nice, only noticed these around a week ago and dont seem to be going away. It looks like a nutrient burn? Been feeding it pH perfect Bloom, Grow and Micro 3 times a week (4ml a litre), so didn't think it would be a deficiency. Thanks!!
Leaves. Tips - Burnt
5y ago
2
2
Solved
UpInSmoke420
Spots on the leaves?
Anyone know what's the problem here? Is it anything to worry about? I did ask recently but it seems to have continued.
Leaves. Tips - Burnt
Leaves. Tips - Die
Leaves. Color - Dark-brown
5y ago
3
Solved
frogDUDE
Repot today or wait?
Planned to repot into a 20L pot today, so I did a test unpotting to check the roots etc, heard some minor root tear and put it back in its little pot immediately - within 1 hour I noticed signs of transplant shock. Ordered recharge. Should I wait to transplant?
Week 2
Leaves. Tips - Burnt
5y ago
2
1
Solved
karitacyan
Help - brown tip/ stem / what is this white bug (maybe thrips)
Growing Green Gelato Auto - RQS in an 11L pot outdoors, Biobizz Light Soil. Day 16, 30°C, occasional wind, no nutes. 1st/2nd: Brown leaf tip progressing and found 1 more today. 2nd/3rd: Is my stem normal? 4th: Found a flying white bug, also small long white/transparent ones.
Leaves. Tips - Burnt
Setup. Strain - Autoflowering
Setup. Outdoor
4mo ago
7
3
Solved
DWCDream
Nute burn or environment?
Leaves curled on edges,tips brown and brittle falling off. 40days in flower. Temp floats between 20-26°C night and day, hunidity 50-65% measured top of the canopy wifi sensor. Good ariflow lights are 500W 3ch 75V/100B/100UV ontop and 400W (6 bars sides and under)
Leaves. Tips - Burnt
Leaves. Tips - Die
Leaves. Curl up
2y ago
3
4
Solved
Germaican
Rate this plant please, how is she doing in your opinion? What could I improve ?
I am a bit lost on what is going on. I know that: - ruffed her up a bit from tucking and ScrOG. - she had some light stress, because i am unsure about height and strenght. - maybe a bit too much nutes, tipps Could you please rate this plant and give me some advice ?
Week 7
Leaves. Tips - Burnt
Other. General questions
Setup. Strain - Autoflowering
1y ago
4
3
Solved
Jobbie
Yellow tips
Nute burn? Just noticed this on a plant 4 weeks into flower, wonder if inshoukd lay off her a little.
Leaves. Tips - Burnt
4y ago
2
2
Solved
marleyjane
Older leaves turning brown and crispy?
Older leaves down the bottom of the plant turning a bit yellow on the tips. Should this be a cause for concern? All rest of the growth up the top are looking very healthy though
Leaves. Tips - Burnt
4y ago
2
2
Solved
Fozziebear22
Brown Burnt Ends
Hey guys not sure what’s going on with the one plant.. my obvious guest is burn from the light ?? but is it something else ?
Leaves. Edges burnt
Leaves. Tips - Burnt
4y ago
1
4
Solved
dchgo
Lower leaf discoloration: mag deficiency??
Pulled one of the plants out to see it under normal light, lower leaves have some discoloration. Mag deficiency? Fed yesterday. PH in : 5.9 EC in : 1.3 PH out : 6.2 EC out : 1.5
Week 3
Leaves. Tips - Burnt
5y ago
1
2
Solved
2ofyn52aUdHza4Y
Nutrient deficiency which kind and/or light burn?
Do I have some nutrient deficiency or light burn or maybe both? Looks like maybe P or K? I changed my light to a HPS and the plants grew much closer to the light so could be too much PAR/heat so I raised the light. I also had started to add Cal-Mag to my feed just before.
Week 6
Leaves. Edges burnt
Leaves. Tips - Burnt
3y ago
4
3
Solved
diabloelnino
What's wrong with this? Or is this ok
I think my plant has something wrong with it. The leaves seem be like as if something ate it. and the tips of the weed leaves shrivel up dried but the entirety of it seems ok...
Week 5
Leaves. Tips - Burnt
4y ago
1
1
Solved
chuggerguy
Yellow tips on new growth? Some clawing too.
Newbie here. It's the plant on the right. Fast Buds Gorilla Zkittlez Auto. Age 31 days. Fox Farm Ocean Forest. No feed until 2-3 days ago, then 24-8-16 blue, 0.8g/L. Light, 18/6. Started at 25%, now up to 100%. DLI about 80 per Photone. I flushed yesterday after noticing.
Leaves. Tips - Burnt
2y ago
2
2
Solved
Growjardin
Yellowing of leaves
In 16 days lower leaves are yellowing and on one a burnt tip. 3lt fabric pot 150ml water eod ph 6-6.5 candy kush exp. been slowly happening for 4-5 days. Humidity can’t be sorted for 2 weeks
Leaves. Tips - Burnt
Leaves. Color - Yellow
5y ago
2
2
Solved
JiggleBudz
General Plant Health Check In
Are these yellow tips anything to worry about at this moment? I noticed slight Nutrient burn on day 25 and lowered nutrient concentration which seems to have stopped it on newer growth. Anything I might be missing?
Week 3
Leaves. Tips - Burnt
3y ago
3
2