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Back to Grow Questions
Calcium Deff
Nocturnalgardener
started grow question 4y ago
im just wondering if you think this is a calcium deff?
Solved
Week 9
Leaves. Tips - Burnt
Leaves. Color - Black or grey
likes
GMSgrows
answered grow question 4y ago
Everything at this point is ok. Plants are just starting to finish up and the leaves start failing. No worries at this point. Cheers
2 likes
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Selected By The Grower
Similar Grow Questions
Solved
Cheeba_Inu
Flowering seems to be going well, but there has been some minor yellowing and browning of the leaf tips. Leaves otherwise seem healthy. Any ideas if this is a water issue, nutrient issue, or just a normal part of the plant's stage?
Week 7
Leaves. Tips - Burnt
6y ago
2
Solved
turbogod
Any ideas what to do with the nute burn, should I flush it, remove the burnt leaves or when should I start to feed it again? It still seems to be progressing, tho after first nute feed I've given it two feeds with just plain water.
Week 3
Leaves. Tips - Burnt
7y ago
1
4
Solved
ChefdexV2
Deficiency? P?
Looks like my girls have some deficiency, anyone know what it is and how to fix it organicly? Looks like potassium to me?
Week 3
Leaves. Color - Black or grey
2y ago
1
3
Solved
Greeny1612
Suddenly, massive problems. Tried a lot already, nothing helped yet. Any ideas what I'm missing?
Hey guys, I've been growing for a few years now and something like this has never happened to me. Long story short, as soon as I move my plants from the veggie box into the flower box, they slowly start showing these symptoms (see pictures). The box worked fine for several grows
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Color - Yellow
2y ago
7
3
Solved
Fordprefect42x10
Burnt tips, chlorosis in fan leaves and red stems
Seeing chlorosis on the fan leaves and it’s accelerating, and the tip burn is getting worse despite easing off the ec to 1. The tip burn is alI over the plant.mI check the ec daily and finally got it in balance yesterday so that it was the same as the prior day. K deficiency?
Week 10
Leaves. Tips - Burnt
Leaves. Color - Pale
Plant. Stem - Red or purple
5y ago
2
4
Solved
jokgga
Nutrient Lockout or Nitrogen deficiency (i.e need more nutes) or Fungus (see stems)
My leaves are yellow but some are turning green. Do they need more nutrients or lockout? I have not gone above 1EC but have seen both strains handling 1.5EC+ in other diaries. All three plants are drinking the water in trays. Res/Tray@ 6.0PH/653PPM. Coco slurry @6PH/500PPM
Week 8
Leaves. Tips - Burnt
Leaves. Color - Yellow
Other. Mold
5y ago
2
4
Solved
Osito
Is it time to flush or wait a week?
Hey what’s up grow gang, we’re approaching the final weeks of flowers, but I was curious as to if our grow is ready to be flushed, or if they possibly need another week of nutrients, and also the best flush technique for best results. Thank you for answering in advance!
Week 19
Leaves. Tips - Burnt
Leaves. Color - Yellow
Feeding. Deficiences
3y ago
4
4
Solved
Spaceranger101
Leaf issue
What seems to be the issue with older and new leaf growth here? It looks like cal-mag or potassium deficiency in my opinion, but I’m not really sure.
Week 8
Leaves. Tips - Burnt
Leaves. Veins - yellow between
5y ago
2
1
Solved
Miller6610
Heading into about 3rd week of flowering and seeing some yellowing
About 3rd week of flowering but I have been seeing yellowing leaf tips starting on top newest growth first and now seems like I'm having older larger leaves yellowing and burning now. Not sure if this is lockout or a deficiency or something else?
Leaves. Tips - Burnt
Leaves. Color - Yellow
4mo ago
1
Solved
Twistitallup
Leaf tips have been burnt for about 2 weeks mostly near the top of the plant. I havent added any nutes. Using fox farms coco loco which did burn another plant for me in the past hitting a hot spot. Light is 24 inches above plant. Ph was 6.6 dropped to 6.0 this past week. Help!
Week 8
Leaves. Tips - Burnt
6y ago
4
2
Solved
TheHighentist
Tip burned??? but only on VERY FEW leaves
I've seen a leaf on one of my plants, having this burned tip, and now i'm seeing a couple more with MINIMAL burnt tip or the start of it. It is only on max 5 leafs out of all my 4 plants I Think it showed up because of my underwatering drooping problem 2/6 But what is your take?
Leaves. Tips - Burnt
3y ago
2
3
Solved
AlpAge_Cino
Discolored, burnt and curled up tips on higher leaves
Several symptoms, always on tips of higher leaves : they are discolored/burnt or burnt/curled up. LED @40cm (deemed 70% of 300W) and I just gave them the 2nd flowering feeding, 4 days after first one (pots were very light). I was planing to start compost tea... What should I do ?
Week 4
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Color - Pale
2y ago
3
2
Solved
Treecutter
Nutrient Burn?
Too much N? Oldest leaves are affected generally although some younger leaves showed burnt tips. No obvious clawing. Temps have been somewhat lower lately around 25. Fed twice @ 1ml/l of Biobizz fish mix. Decided to flush with straight water just in case.
Week 3
Leaves. Tips - Burnt
3y ago
3
6
Solved
Bizio
Yellow leaves with grey/dark outline
I have some yellow leaves with grey/dark outline. Do you know the cause? Could be the humidity level too low? or K deficiency?! I'm not so sure about the last one. Help me guys please.
Week 11
Leaves. Color - Yellow
Leaves. Color - Black or grey
5y ago
2
3
Solved
Highness
Leaves getting yellowish/burned
After 8 weeks the leaves started getting yellowish/burned. There was 1 in couple of days ago and know I can see many. I'm using Canna Terra Professional as soil and only the Easy Boost from Royal Queens. What can be?
Week 9
Leaves. Tips - Burnt
Leaves. Color - Yellow
5y ago
2
1
Solved
BobrMarley
manage nutrient burn from soil mix
diy soil mix (see Week 0) got only pH'd tap water, compost tea and banana tea. started showing strong signs of nutrient burn recently and some spots on the oldest leaves I haven't seen before. so, how do I manage her to harvest? since I can't cut back on the nutes ...
Week 7
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Other
6mo ago
2
5
Solved
NIagaraFalls420
Help needed ASAP!! Thanks
Any other suggestions as to what may be going on? Lower leaves are burning on tips and edges. Also dropping down/ wilting. Another plant has started to get this issue (an auto), could this be nitrogen def? Running out of ideas lol. Thanks in advance!!
Week 4
Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Wilting
5y ago
1
1
Solved
aphexbg
Light green leaves in color and burnt tips. Some leaves have brown spots.
Hi guys, can you please help me diagnose the issue. The plants are in BioBizz All-Mix soil. Treated with Bio Grow, Bio Bloom and Top Max from BioBizz. Also BioBizz Cal-Mag in the past week and 1ml of B52 (twice). A week ago I flushed and initially they were looking good.
Leaves. Tips - Burnt
Leaves. Curl down
Leaves. Color - Yellow
5y ago
1
3
Solved
Jworjik
What is the issue with my leaves?
What could be the reason for that? The leaves turn yellow and looks like there is a burn?
Leaves. Tips - Burnt
Leaves. Color - Yellow
5y ago
1
2
Solved
CharlieilBrown
Rust-colored margins and dots. I would like to go back to fertilizing but I am afraid that it is an excess of potassium
Outdoor in the vegetative phase, southern climate. Soil is Biobizz light mix. So far I have only fertilized 2 times with the tripack ph perfect Advanced Nutrients. These rust-colored burns are present on almost all older leaves. Enlighten me please 🙏
Leaves. Tips - Burnt
Feeding. Deficiences
3y ago
2
3