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Back to Grow Questions
Calcium/magnesium
Vps420
started grow question 5y ago
Is that a deficiency of calcium/magnesium?
Solved
Week 6
Feeding. Deficiencies
1 like
Tweak
answered grow question 5y ago
What is your growing medium? If you’re growing in soil I highly doubt it’s a cal/mag issue as there is plenty of cal/mag for a grow in most quality soils, more likely you’re Experiencing pH fluctuations in your medium.
2 likes
Complain
Selected By The Grower
sir_isO
answered grow question 5y ago
Vague, though I would probably use calmag...but then, I'd probably also add a bit of sulphur and phosphorus if I have some.
1 like
Complain
OrganicNature420
answered grow question 5y ago
1.0 ml of calmag per 1lt will do it wonders for next week or 2. Then start lowering it 👍🏻🌱❤️🍁
1 like
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Similar Grow Questions
Solved
Daffie_Toke
From burn to defficient
Hey boys (and girls) , i have a little issue , I amended my soil(before planting) with wormcastings but one of my plants isnt liking it too much , she is getting burned but the moment i flush she is getting cal mag defficiency , what should i do ?
Feeding. Deficiencies
6y ago
2
4
Solved
UpInSmoke420
Cal mag help
I belive i have a calmag issue. Im using bio bizz calmag but im not sure how mich to use? Can someone help please?
Feeding. Deficiencies
6y ago
3
5
Solved
Anna_J
Leaf issues. Lockout? Need to Flush??
Leaf issues started showing up in 2 of 3 plants, progressing fast. Soil runoff tests have been v. high (2000ppm+) so we're assuming it's a lockout issue. We watered 1 day ago, with 200ppm solution so pots are still very wet. Better to let them dry out a bit or flush right away?
Week 7
Leaves. Other
Feeding. Deficiencies
6y ago
5
2
Solved
Otherland_Wildspice
Brown Spots On The Buds
Should I remove the brown spots on the Buds? What are they? (Maybe from overfeeding?)
Week 7
Buds. Other
Feeding. Deficiencies
5y ago
3
3
Solved
clw1030
Lockout? Can I remedy this late in the game?
I think this is more than a K deficiency. I think I'm getting lockout. And a lot of it. She's an auto-flower, and I grow hydroponically. Can I even remedy it at this point?
Leaves. Edges burnt
Leaves. Tips · Burnt
Feeding. Deficiencies
5y ago
1
2
Solved
Dillsnills
Advice on what's going on with this plant some yellow and brown on the leaves
Looking for help to diagnose what's going on w this plant,did a mini flush ppm runoff 610 intake 345ppm, wk 7 flowering Girl Scout Cookie Auto GardenOfGreen, should I do a nute feeding next,FF chaching,big bud? Ph6.5. Advice input opinions greatly appreciated.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Feeding. Deficiencies
6y ago
1
1
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
Hiphopopotamus33
Possible deficiency?
What's going on with my girl? This has been a continuing problem throughout my grow and I'm stumped.
Feeding. Deficiencies
6y ago
3
Solved
WeedDude
What can causes the different color in the colas. Its the same Plant.
In the picture you can see the higher colas are light/yellowish green and the cola lower in the canopy are darker/healthier looking. more infos in my diary (1st grow) Thank you very much
Week 16
Buds. Other
Leaves. Color · Yellow
Feeding. Deficiencies
4y ago
2
2
Solved
UKAgent47
General health and CalMag advice
Reduced watering to 850 ml and seems to want this every 24- 36 hours. Plant seems to have perked up however still have yellow leaves / brown spots. I’m feeding 0.5 ml calmag per litre , should I continue this? Should I be worried about the state of the plant.
Week 3
Feeding. Deficiencies
6y ago
3
3
Solved
Flauros
Problems with feeding
Day 69. Input water: 260ppm, 30ml FloraKleen, ph 5.99. Output: 1st drainage: cbd 954ppm ,orange 1050ppm, Zkittlez 880ppm 2st drainage: cbd 660ppm orange 960ppm Zkittlez 880ppm Last drainage: Average drainage ppm 680, 6.22 ph. What ppm should i make ?
Week 9
Feeding. Deficiencies
5y ago
2
1
Solved
xanado18
I’m on the start of the 5th week, and my 12 week plant is fading pretty hard. Doing full organic supersoil, threw in a top dress a week ago didn’t seem to slow the n deficiency. What should I do??
Week 12
Leaves. Color · Yellow
Feeding. Deficiencies
6y ago
4
Solved
Michael1234
too many nutrients?
I am asking for advice, is it possible that my plants got too much fertilizer. I watered them in the fourth week, I gave them 0.5ml per liter once CalMag, Bio-Bloom, TopMax, Fish-mix,Biobizz then during the 7th week 1 ml per liter CalMag, Bio-Bloom, TopMax, Fish-mix,Biobizz
Week 6
Feeding. Chemical composition
Feeding. Deficiencies
5y ago
2
4
Solved
Dillsnills
Did I go too light with the nutrients this time around? Yellow leaves and fading pretty quick. A good dose of nutes next watering?
My plant has about 3-4 weeks left, I have always had nute burn so I went what I think was way too light w the nutes this time. Is this a nitrogen deficiency along w calmag deficiency? I'm in week 3 of flower, should I give a good dose of nutes next watering? Advice appreciated.
Leaves. Color · Yellow
Setup. Strain · Autoflowering
Feeding. Deficiencies
5y ago
4
4
Solved
Budcultivator
Leaf spots issue
Does anyone know what is causing the leaves to look like this? Throughout the whole grow i've had brown spots as you can see in the older pictures, although adding calmag didn't really fix the issue. If anyone has an idea of what this could be please let me know!
Week 5
Leaves. Tips · Die
Feeding. Deficiencies
6y ago
4
Solved
Fishcake
Leafs drooping down slight yellowing
Hi my plant hasn't been looking happy for a while and I just can't get her to pray 🙏 again 29/10 flushed and fed the run off was 6.55 06/11 fed 2mlgrow per litre 1.2ml cal mag per litre
Leaves. Curl down
Leaves. Color · Yellow
Feeding. Deficiencies
6y ago
3
1
Solved
samsonsimson
PH drops every 4 days
I'm losing PH control 4-5 days after feed. PPM drops to 200-300 and PH drops under 5. I flush the res and add new solution every 5 days because this is what works to stabilize ph. It can hold ph for 4 days before I lose it again. You think I'm under feeding?
Week 7
Feeding. Deficiencies
5y ago
2
2
Solved
CPsmoke
Banana manure mix with brewer’s yeast, are they enough for a good flowering ?
Hi everybody, I planted a Runtz auto from Zamnesia outdoor, and it’s been almost one week which has gone into flo. My question is : for fertilizers, I use banana manure mixed with brewer's yeast, is it enough to have a nice and successful flowering ?
Buds. Other
Plant. Other
Feeding. Deficiencies
6y ago
3
3
Solved
AcidFarmer
More nitrogen or more 'part B'
I growers Need more nitrogen or potassium? I'm still giving more 'Part A' but I see those red stems and a leaf color that I don't really like..
Week 7
Feeding. Deficiencies
6y ago
1
2
Solved
Martian_D
Slow veg growth
My autoflower veg growth seems slow can it be saved? what should I do? Please rate my LST and advise on how I can do things better? share the love and give me a like, comment or follow 😬
Week 4
Plant. Other
Feeding. Deficiencies
Techniques. LST
6y ago
4
2