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Back to Grow Questions
Horushash
started grow question 4y ago
What deficiency, friends? 3 weeks into flowering Mineral cultivation Inert soil pH 6
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Feeding. Deficiencies
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Not_a_tutorial1990
answered grow question 4y ago
Definitely looks like potassium difficiency but could also be to much nutrients!? Happy growing, how you figure it out
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Organoman
answered grow question 4y ago
Yes, potassium deficiency.
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GrowingGrannie
answered grow question 4y ago
This is a potassium deficiency... give her a PK boost.... Good luck...
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Similar Grow Questions
Solved
WulfBlud
Add CalMag or Manganese? Still slightly discolored and veiny leaves on week 6
Calcium or Manganese deficiency? Last week had what I thought was early calcium deficiency. Gave it a dose of CalMag but now not sure if it’s still Calcium or possibly Manganese. I do mean manganese but I realize it could be a CalMag or Manganese deficiency as well.
Week 6
Leaves. Veins · Stay green
Leaves. Color · Pale
Feeding. Deficiencies
3y ago
2
Solved
Ziooomoooleeek
Forma. Deficyt.
Hello everyone. This is my 3rd grow. And I have a problem. I would be very grateful if someone could help me. Hydro Mars ts1000. The plants are 14 days old since sprouting. I can see that something is probably not right. I'm asking for your help. I've been giving power roots plargon since day 10. 1ml per 1L of water.
Roots. Other
Feeding. Deficiencies
Germination. Paper
4y ago
4
Solved
Newbie87
Feeding
Is it okay to water with bloom again after her last feed, or should it just be water ? Her leaves are looking brown at the top.
Week 9
Feeding. Deficiencies
4y ago
3
1
Solved
Grow3rPT
Será uma deficiência de cobre?
Hey, aside from the fact that I can't raise the LEDs any higher and the plants are already showing signs of stress because of the light. Now one of the plants has appeared like this, with yellow tips but getting bigger. I did a flush to clean it out, as I think it might be too many nutrients.
Week 6
Feeding. Deficiencies
5y ago
13
6
Solved
budda420
Calcium deficiency or excess??
Could anybody tell me whats happening here im assuming its either a calcium deficiency or excess any help would be much appreciated PH is around about 6.5-6.8 every watering not sure about the run off or ppm This is the only leaf with the spot on but showed up overnight
Leaves. Other
Feeding. Deficiencies
6y ago
1
1
Solved
JustARegularEveryDayNormalMF
White leaf tips and spots? Help :(
Im using spring water from a mountain near by,but it is pretty acid (~4.8 ph). Could that be the reason my plants have white tips and a spot on the leaf? Or could it be the height of the light? I will raise the ph to about 5.5-6.2 ,so hope for better results. Thank you :)
Week 1
Leaves. Tips · Burnt
Feeding. Deficiencies
6y ago
2
2
Solved
Rando1314
Help with lockout of deficiencies. Don’t know what to do from here I already flushed em but doesn’t seem they uptake anymore
Neut lockout/Deficiency? I was watering less more frequently in fabric pots. I believe it created a lockout in the 3 taller plants by not allowing more run off of water. Correct me if I’m wrong there but what do I do now? They are not looking well and now the leaves are curling
Week 11
Leaves. Dropping off
Leaves. Wilting
Feeding. Deficiencies
5y ago
3
Solved
BettieBee
K deficiency almost wiped out this plant. What do I do now?
I’m somewhere between 2-3 weeks until harvest time should be. It’s day 80 from seed on this autoflower. Had a bad potassium deficiency that I didn’t figure out quite in time and I’m not sure if too much damage has been done. What should I do?
Week 12
Feeding. Deficiencies
4y ago
4
4
Solved
CollistaR
Autoflower, deficiency or light stress? End of week 8.
Good time of the day. Having following problems with my autoflower (see pictures) which is at the end of week 8. Plant had some light stress before, could that be a consequence of that? Or could that be nutrient deficiency? Looking forward to hearing from you guys!
Leaves. Edges burnt
Feeding. Deficiencies
3y ago
1
2
Solved
Dillsnills
I'm still trying to raise my soils pH, I'm using Olympus up which has lime, should I give a higher dose or jus pH water till pH runoff goes up?
If I use nectar for the gods Olympus up which has lime in it and I'm having low soil pH probs, should I use more Olympus up and adjust my pH and would that help raise my soils pH? Or should I jus use pH water until my pH runoff is where I want it? Advice greatly appreciated.
Leaves. Color · Yellow
Setup. Strain · Autoflowering
Feeding. Deficiencies
5y ago
2
3
Solved
Foggedaboudit
N issues
This girl suffered from N deficiency very early. So I gave it nutes. Nutes gave it N toxicity. So I flushed the soil with ph’ed water. You guessed it, it’s lacking N now. The problem is the pot is still very yet and heavy so I don’t know if I should water with nutrients
Feeding. Deficiencies
3y ago
5
3
Solved
WhyNotA2
PPM in week 2, nutrient lock?
For plant 1 of my DWC, I had 410 PPM two days ago. My resevoir now is at 440. She is slightly yellow and a tad droopy. Is the rising of PPM by 30 an indication of nutrient lock? If its nute lock, does this require peroxide water to flush? How long do people flush? Thx in advance
Week 2
Feeding. Deficiencies
6y ago
1
1
Solved
lonergrower
Brown rust spots on oldest leaves
Brown rust spots on oldest biggest leaves with curling inward - the rest of the flower is fine, just some occasional small yellow spots. No sign of pests. Maintaining pH ~6.5 but have soft water. Suspect cal/mag deficiency or nitrogen toxicity. Thoughts?
Week 4
Leaves. Curl up
Leaves. Color · Dark-brown
Feeding. Deficiencies
1y ago
7
4
Solved
MrGreen92
CalMag deficiency/ Nitrogen toxicity/ Wind burn?
Thank you 8thChevron for your help! Run off readings: pH 6.5 at 26.5c Ppm 245x10 EC 689x10 The fan was directly on them so have put that down to the floor now.
… Show more
Week 8
Feeding. Deficiencies
6y ago
1
1
Solved
MrGreen92
Is this definitely CalMag deficiency? Check diary for video.
Before I go to over the top with the CalMag in a stupid attempt to nurse my plants back to health I just want to know for certain what it is. The leaves are clawing, bronze spots everywhere but the smallest of the 3 doesn't seem to be suffering as much.. what is it?!
Week 8
Feeding. Deficiencies
6y ago
2
7
Solved
THERMICDESERT11
Nitrogen deficiency, light burn? Calcium?? Which deficiency?
Growing organically with happy frog mixed with a super soil concentrate. I water them with spring bottle water, ph at 7.7. Recharge every 10 days. Top dress 2-2-2 dry amendments. No clue what’s going on with this, thought it needed nitrogen. Top dress. Some new growth looks good
Feeding. Deficiencies
5y ago
3
2
Solved
Dillsnills
Still having trouble telling whether it's a deficiency or an excess of nutes, advice opinions greatly appreciated
Is this a deficiency or excess of Nutes ppm run off is at 1200 intake was 445, still having trouble w the difference between deficiency and excess, Girl Scout Cookie Auto week 5 flowering ph6.5-6.6. advice input opinions greatly appreciated.
Leaves. Tips · Burnt
Setup. Strain · Autoflowering
Feeding. Deficiencies
6y ago
6
5
Solved
Theboll
Leaves purple
Some leaves are turning purple, can you help me? I know My plant has some nutrients deficency and i am already using fertilizing
Feeding. Deficiencies
3y ago
1
1
Solved
elevensixty6
Deficiency?? Excess? Neither?
Grown this strain before and had the same issue.. not sure if its a CalMag deficiency entirely. pH has remained at 6.0-6.5 or so in soil and didnt show signs until recently, seemed to have worsened after just two days of only CalMag and Ro water so I bumped up the bloom nutes.
Week 5
Leaves. Color · Dark-brown
Feeding. Deficiencies
5y ago
3
3
Solved
ezyields
Should I use a pH up -product?
After mixing nutrients with my tap water, the pH of the mix is around 5.5. Should I use a pH -up product? Plant is showing a slight nitrogen deficiency. My tap water base pH is almost 8.0, but the Biobizz nutrients bring it way down. I am using 50% of the recommended dosage.
Week 7
Feeding. Deficiencies
5y ago
6
5