So the debate rages on. I have had multiple folks state my plant is dealing with Nitrogen deficiency.
A new set of eyes recommends Amino Acids.
This is my first photoperiod sativa and currently entering week 5 of flower. She has been doing much better with the tray and bottom watering but I would like to see more green. Less yellow.
Howdy
What is it growing in?
Coco,soil?
Hey @JOEBOO so you have been working on your water delivery method.
Causes & Solutions of Cannabis Leaves Turning Yellow During Flowering
Would help to know what are you feeding and how much/often?
Are you checking you pH and TDS?
Calcium and Magnesium are needed in Cannabis. Are you using any additives of these??
Mj needs less nitrogen during flower and more potassium and phosphorus.
I would soil slurry, confirm ypur numbers and adjust accordingly. The times ive had whole plants turn light green was due to improper ph and locked out.
Maui Wowie
Planted on 9/9 in a 3 gallon cloth pot Fox Farm soil w/worm castings (3 to 1) two cups perlite.
-Viparspectra 2023 XS1500 Pro LED Grow Light
I am using LOTUS brand Cannabis fertilizers/nutes and following the manufacturers feed chart.
What is lockout?
Howdy
Are you adjusting pH of solution when adding to soil?
Nutrient lockout can happen when the pH levels of the soil, water, or nutrients are out of range.
Nutrient lockout is a condition where cannabis plants are unable to absorb essential nutrients from the growing medium, even though they are present. This can lead to nutrient deficiencies, stunted growth, and, in severe cases, plant death. The signs of nutrient lockout are similar to those of nutrient deficiency, including discolored foliage and stunted growth.
Nutrient lockout can have several causes, including pH imbalance, overfeeding, nutrient imbalance, and overwatering. pH imbalance is the most common cause of nutrient lockout, as nutrients are only available to plants at certain pH levels. Overfeeding can also cause nutrient lockout, as plants can only take up a certain amount of nutrients. Nutrient imbalance and overwatering can also contribute to nutrient lockout.
If you suspect nutrient lockout in your cannabis plants, it is essential to identify the underlying cause and take corrective action. This may involve adjusting the pH of the growing medium, reducing nutrient levels, or flushing the growing medium with plain water. .
If you are lacking nitrogen actually then some amino acids would help. But remember, amino acids are just acting as “time release” nitrogen. It’s just nitrogen in a large polyatomic molecule. It has to be broken down by microbes and that takes time. It is just less likely to immediately burn your plants if you over do it. Some plants can absorb some simple amino acids, but that’s a highly debated topic. But plants all make and use them inside. But the reason they are sold as a plant additive/nutrient is because they break down into nitrogen. Also, as an amino acid, it is less likely to ionic bond in aqueous solution and become an insoluble salt (permanent lock out). Only microbes and time, or high pressure and ultra low ph will make them free (or chelated) again for the plants.
I agree with all the other gromies. It’s probably lockout from starting water ph. Way more likely. That’s where I would start before I got amino acids to add. That’s probably the most expensive way to add nitrogen, those amino acids.
I hear you but don’t necessarily agree with you on what you’re saying. At least for my situation. You may be missing the point on Silica and Aminos.
But your doing your thing and I’m not trying to step in your yard with how you do your thing.
I’m no expert, I’m just just a bind mule looking for an ear of weed… haha 
A recent study by Microbiome suggests that glutamic acid can reshape the plant microbiota and enrich populations of Streptomyces, a functional core microbe in the strawberry anthosphere. Similarly, in the tomato rhizosphere, treatment with glutamic acid increased the population sizes of Streptomyces as well as those of Bacillaceae and Burkholderiaceae. At the same time, diseases caused by species of Botrytis and Fusarium were significantly reduced in both habitats.
Amino acids can enhance nutrient uptake in plants by increasing the activity of transporters that facilitate the movement of nutrients across cell membranes. They can also stimulate the production of root exudates, which are compounds that help to solubilize nutrients in the soil and make them more available to plants.
Additionally, amino acids can improve the efficiency of photosynthesis, which in turn increases the production of energy-rich compounds that are essential for plant growth and development.
https://youtu.be/Fr6em6InXKk?si=1d9zYjlBUyPsU6FE*emphasized text*
Silica is not an essential nutrient for cannabis plants, but it can improve their physiology and growth in several ways. Silica can strengthen the cell walls of cannabis plants, making them more resistant to pests, diseases, and environmental stressors. It can also enhance nutrient uptake and photosynthesis, leading to faster growth and higher yields. Additionally, silica can help to protect cannabis plants from heavy metals and other soil contaminants.
To use silica as a supplement for cannabis plants, you can add it to your nutrient solution or apply it as a foliar spray. The recommended dosage of silica varies depending on the product and the stage of growth, so it’s important to follow the instructions on the label.
I hope this helps!.
I never mentioned silica once in my post. I understand silica and its importance. I add green sand and softwood ash. Green sand is slow release; and softwood ash is immediately available. Softwood ash is 60-65% silica by volume. I studied organic chemistry as an undergrad and look at the whole world as a chemistry problem.
After re reading the thread, I guess I should elaborate on my statement. I am not missing the point, I do feel amino acids are important. They are the buildings blocks of proteins and used in metabolic pathways of plants like we both mentioned. If you build your soil first amino acids should all ready be abundant. What I don’t like is how much a small bottle of “aminos” cost in a bottle when they are so easy to add naturally.
Every time one cooks rice or pasta the cook water is loaded with amino acids and should be added to the garden. Eggs are freaking loaded with amino acids and so is milk. Both can be warmed and mixed with water and then added to the garden. Eggs contain 18 of the 20 human building amino acids. Milk contains all 20 base human amino acids. Yogurt contains 19 of the 20 base human amino acids plus lactobacillus and streptococus bacteria in abundance.
Meat. Amino acids are 15-20% of the volume of meat protein. If you have spoiled meat, trims like gristle or fatty ends, meaty bones or a whole roasted bird like a turkey or a chicken. Compost it. Don’t throw it away. It breaks down into amino acids and eventually nitrogen. I like to anaerobically ferment it in 5 gallon lidded buckets until it’s a goo. I often mix it with weeds like dandilions and blackberry canes. If I flood it with water or urine it breaks down in about a month.
Amino acids once out of the bottle are not long term stable. They either colvalent bond (fold) to other aminos making proteins, or else they break down into nitrogen when it hits the soil biome. It only stays an amino acid inside the cells of the plant or organism.
I am not against the use of amino acids, I just feel it’s so easy to have it in the substrate with waste products of everyday cooking and eating, that I do not see the need to add it in a bottle or from a bag.
I am not doubting or contesting that 
. Yet a couple drops of soy sauce or the pasta cook water contains all the glutamic acid one would need. Wheat pasta is 30-35% glutamic acid due to the gluten proteins present in the wheat of pasta. Don’t toss that cooking water. Or better yet compost those bread heals that no body likes. Those are also 30% glutamic acid.
No need to supplement any amino acids from the bottle. Just don’t throw it down the drain or garbage and you are golden.
I am a composting, char loving, organic gardener and I find most things in a bottle are easily available without having to buy it seperate. That’s the point that I did not express well the first time, and the assumed thesis in my head. I think we are going to the same place; just from different directions. Happy growing my friend @LateNightGardner.
Me too, great post Noddy.
I save all my egg shells and green waste and compost it .
Only grown outdoors twice and this years looks much better to me than last year.since adding more bio-char and compost…
That is all I add to sandy soil and during growing ,I add sea weed extract and fish hydrolysate and root roids.
Too easy, I just let them grow.
