Common Cannabis Nutrient Deficiencies 

Glad I could help, and hope this can provide a correct diagnosis so you can develop a plan going forward to prevent issues in future crops.

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@@bzls6055 Sounds like it could be physical damage.

What do I do my plants are going yellow from the bottom up and it’s got brown spots it’s only been in beg for 2 days plz help

@@saddamshahid4967 might be over watering i'm having the same issue right now my palms are a month old and there getting yellow i try not to over water i gave them cal mag i hope they bounce back

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Comon it needs that DMX - X gon give it to yah soundtrack bro!!

Agree entirely. All you need without the BS.

X gonna give it to ya…. 😂

I agree with you 100% that music is annoying!

It takes time, but if you stick with it, you can reap the rewards.

Hey everyone, what is your biggest advice for a new indoor grower to keep the bugs away? I tried few days ago the Sf Nematoden against the flys and mostly I need some advice to have some good predator mites to prevent from other mite problems. Thank's everyone have a nice day!

I just started and i feel like I'm in over my head. I have no idea what I'm doing

​@@shadesofpurple7283learn as you go, the plant won't grow in a day so plenty of time to learn 😊

@@shadesofpurple7283hope it’s going well.

Thanks for the detailed comment. This is what DeBacco University strives to provide to its viewers for all of its videos.

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Your comment is appreciated and glad to hear your plants are showing improvements.

Great to know it helped and check out other videos as your growing experiences progresses!

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Thanks and hopefully, you find the same style with the other videos on the channel.

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Thanks for confirming the content presented, sorry you had to learn it on your own the hard way.

@Chelt Munt Ah I didn't know about the different pH ranges for specific nutrients either, though that does make sense. I always pH water to around 6.3 and occasionally check runoff to make sure it's close to that. At some point in my life I want to try a diy DWC or aero setup and I'm sure I will have to pay attention to that stuff way more lol.

​@Chelt Munt Interesting, I probably should be starting with a pH test before trying to solve deficiencies/toxicities through brute force. Luckily that hasn't bit me in the butt yet, I guess the pH maintenance on feeds has mostly kept my girls stable. I've been experimenting with mycorrhizal on my roots before transplanting to final container, as well as some beneficial bacteria. And I usually have springtails too. I hadn't heard of full live soil growing before though, but I guess that's another thing to add to the bucket list. And yea outdoor/indoor each have some unique challenges. Going from outdoor to indoor I noticed a lot of nature's jobs I just took for granted that were now my responsibility. And not dealing with pests and awkward weather is definitely a plus. But nothing quite compares to some of the gigantic monsters you can create in an open outdoor environment with a good season lol.

@Chelt Munt what brand live soil do you use?

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DeBacco University agrees with you;-) Be sure to share it with others!

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It was not easy to compile the information or visuals, but the end product was worth the work and time.

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The information presented here is supported by science and not opinion.

@@DeBaccoUniversitythat what he meant that it’s all facts no opinions

At least it should help you avoid future problems.

Hope it turns out awesome for you ! Just started my first indoor grow

@@MrSmokincodz thanks. Good luck to you as well hope you get some nice buds

Calmag is all good start

This channel should prove helpful for you in many ways.

And Cal mag...

Sorry to hear about the problem, but glad to learn the video helped.

Wish your plants did not have issues, but at least it is great to know this video was helpful for you.

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More of these videos are planned, but thanks for the suggestion as if this is what growers are looking for the goal is to provide helpful content.

You are so welcome, please tell others about the channel.

You are welcome and hopefully you will find this of a theme on this channel.

You are welcome, check out some of the other videos and share it with others.

Your kind comment is appreciated! Glad you found the channel, but sure to tell others;-) Hope you were able to identify any potential issues and it could save your plants and prevent issues in the future for you.

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No problem, education is important and there are many other videos if you are interested.

@@DeBaccoUniversity Yes. Thank you! 💪

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Hope you never see these problems;-)

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Hopefully you were able to identity/prevent a potential problem early.

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Goal is factual information presented in a clear way.

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The more you know the better!

Wish you a problem free grow going forward, great to know the video was helpful!

Thank you for all of your watching of videos;-)

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Great to know and this is an important note for diagnosis in regards to nutrient deficiencies.

Thanks for the comment and glad you liked the videos. Hopefully you do not see any of these issues with your plants.

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Hopefully, this will help correct and/or prevent you from having issues in the future.

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Please share it with them.

This would be classified as an abiotic stress..... ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ahI4wGSrFpk.html

I thought the lights were burning them too...right!?

The besides the lights to strong they just make the plant eat more, also another factor be your plants pot isn't big enough for the star of plant being between to fast well

Thanks for the comment and great to hear the video has been seen in Argentina!

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Thanks so much, glad it was helpful 😊

If you are having to flush on a regular basis, you may want to look closer at your feeding schedule as there could be a way to avoid the problem in the first place.

@@DeBaccoUniversity thanks. I dont have to and am only using naturally derived products but ive noticed ph lockout causes more problems than deficiencies for people even though everyone wants to just throw more product at their plants

Hopefully, this will help you be preventative going forward or at least knowing what issue you may be having.

Great to hear, be sure to check out some of the specific nutrient deficiencies on this channel.

Wonderful comment, great to know!

Hopefully you made it to the end and feel the same as you did 2min in. Please share it with others!

Purple stems are usually associated with the temperature of the environment, I wouldnt worry about them. Its probably a calmag deficiency, calmag also helps the inner cell development which might be causing the droopyness.

Check your pH of the water and the purple sounds like a stress response to the growing environment.

@@Nate-rd7gd that's a magnesium issue

@@clone_ranger816 nope

By not "Feeding" your plants like they are a friggin beta fish?? haha jkjkjk seriously tho....... gnome sayyin?? Look..... real talk your comment was 5 months ago....so that plant either didn't make it or already has been harvested most likely... but here's the answer you were looking for back then.... Yellowing in new growth was overdose of Potassium.... Droopy leaves was overwatered soil or root damage from trying to air the soil with a stick......And the Purple stems are signs of Nitrogen Overdosing. What that plant needed to "heal" was a flood of biblical proportions to flush all the extra crap out and then a strong fan and a warm light directly over it and not water it again until you see it coming out of it and when the soil finally starts to dry up and the whole pot is lite when lifted you are safe to start watering again.......lightly.......without plant food...... Here's a few pro tips fer ya: 1. Most Basic Garden Soils are ALREADY TREATED WITH ENOUGH FOOD FOR UP TO 6 MONTHS. So there is noooooo need to feed a cannabis plant anything possibly for its entire life depending on the size you choose to grow it. 2. Most "Pro-Mix" Soil Bags are basically treated with twice what a basic Soil Bag has in nutrients and need to be "MIXED" with regular earth soil or a few basic garden soil bags to balance out. "Pro-Mix" would be advised for a mature plant during transplant for outdoor grow only. 3. Calcium is the FUCKING DEVIL TO CANNABIS it is an immobile nutrient that blocks cells and can completely fry out your plants from the inside out if given too much. I say this because I care...not to "be a troll" lol I soooo know i'm sounding like it but take the pepsi/coke challenge and see for yourself. Try a plant in a bag of like regular ass Miracle Grow for like Indoor Plants and do another plant however you were doing things before and see what it do before your very eyeZ. ;) (Tips Hat & Vanishes in a Cloud of Weedsmoke)

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I have a liquid chelated iron sulfate (sometimes listed as Ferrous Sulfate) product. There are many different manufactures the key is to look at and read the label of any product you are considering as it will state chelated iron sulfate. As a point of reference the one I have is 5% iron and 3% sulfur. Best of luck avoiding an iron deficiency.

@@DeBaccoUniversity I am having some difficulty looking for a dried chelated form of iron that would be safe for my organic grow. Would you perhaps know of something that would work for me? I'm looking to use it in a foliar spray but I'm unfamiliar in this topic. There is not much info out there for treating cannabis iron deficiency with chelated iron foliar sprays. Thanks in advance!

I personally would suggest you go with a liquid iron product that is part of a liquid feed. Take caution when making foliar applications and start with a diluted rate that is less than manufacturer recommendations. Also avoid applications that are made under high pressure, time of peak light intensity and on newly growing foliage. Finding an organic source may be a challenge especially depending on what organic standards you may be using. Some of the better products for foliar applications will also have a nitrogen source. Any other question let me know.

Chelated fertilizers are ones that tend to be more stable and also in a form that is more efficient for plant uptake. While there can be some increased cost this is often minimal in comparison of the potential damage a nutrient deficiency can cause. You mention an iron deficiency and in this is an immobile nutrient which makes finding a chelated form of even higher importance. This is because this nutrient (along with other immobile nutrients such as Ca, S, B, Cu) can be more difficult to translocate (move) in a plant so it is harder to get these to the portion of the plant that needs the fertilizer. In your case liquid forms of iron supplementation that is chelated would be recommended. Hope this helps.

Glad it was helpful!

Sounds like you found a solution.

You are correct and knowing what the pH can be part of some growers battle, so getting a quality monitor should be part of the growing item check list.

Living soil. Never had to ph.

Happy to provide this for you, this channel should help provide some quality information.

Glad it was helpful!

Always happy to provide content that is needed.

Glad to help.

Great to know and be sure to share it with others!

Here is a more detailed video on the Nutrient pH chart that you (and others) may find helpful... ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-GryVKpn8nAM.html

Process is the same for the macro-nutrients, but the total needed is much less and you should use some form a data to drive your calculations (Ex. soil or tissue test results).

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The goal of DeBacco University is to help students all over the world. Many of the videos on the channel are integrated into both college level and upper level high school classes. So, if you felt like you were in class you are getting the DeBacco University experience!

Keep them coming man thank you

@@shadow-ny6gd Just a note, that there will be some nutrient deficiency videos uploaded soon based on trials conducted on cannabis and tomatoes.

Awesome cant wait

Hope you do not have to visit it often.

You are welcome and there are other videos on the channel on this topic to help you (and others) as well.

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