I it useful to spray the leaves under a LED light?

All about amino, after more thought I'd put enzymes in substrate and amino acids applied foliar. Like everything else, apply correct dosage and you will be fine. •The material or substance on which an enzyme acts. A surface on which an organism grows or is attached. An underlying layer; a substratum. Enzymes are proteins with complex 3D shapes that feature regions called active sites. When the substrate binds to these active sites, it forms an enzyme-substrate complex that causes a chemical reaction to take place, temporarily changing the structure of the enzyme and ultimately causing molecules to either come together or break apart. As a result, molecular products are released, and the enzyme returns to its original shape. Specific enzymes are capable of binding with certain substrates, as the substrate fits into the active site more or less via a lock-and-key principle. Although, new research suggests a more accurate theory of "induced fit", in which enzymes and substrates undergo structural changes to facilitate the reaction. If you take the human body as an example, we have an abundance of enzymes in our saliva and digestive system. These molecules bind with substrates in these regions (food particles), working to break down the food we eat into usable parts before converting them to energy. Enzymes in cannabis work in a similar way to the example highlighted above. Typically, enzymes occur in soil naturally, but if your soil mix is lacking organic material, or you're growing hydroponically, then adding enzymes directly to the substrate is crucial. By using them in cannabis growing, enzymes not only help break down essential nutrients into smaller, more readily available pieces, but they also support the digestion of dead root cells, clearing a direct path for nutrients. Overall, enzymes make it easier for your cannabis plants to absorb all the elements they need to reach their full potential. For growers, a plant that reaches its full potential means a bucketload of juicy buds come harvest. This is essential if you want to reuse a pot with old systems left over like mine. Common plant enzymes include: •Cellulase •Xylanase •Beta-glucosidase •Hemicellulase •Amidase Amino acids are a crucial, yet basic unit of protein, and they contain an amino group and a carboxylic group. They play an extensive role in the gene expression process, which includes an adjustment of protein functions that facilitate messenger RNA Nitrogen, phosphorus, and potassium are the three main pillars of nutrient solutions and fertilizers, but there are countless other nutrients that your cannabis plants need to produce the best possible harvest. Amino acids are one of them. You may have noticed that amino acids get a lot of attention from bodybuilders and other athletes. That’s because they play a key role in the synthesis of protein, which, as you probably know, is super important for sports recovery and muscle growth. Amino acids are the building blocks of protein and the foundation of both plant and animal life. But what do amino acids do for cannabis? WHY IS PROTEIN IMPORTANT FOR CANNABIS? Just like proteins are important for the human body, they are equally important for the growth and development of plants. For example, proteins help plants: •Facilitate the growth of intracellular plant structures •Promote energy generation •Stimulate metabolic processes •Facilitate the absorption and transportation of nutrients So, where do plants get these vital proteins from? Well, unlike humans, plants can’t source proteins or amino acids from other organisms. Instead, they need to create their own amino acids, and then use these to build protein. That's why gardeners, much like athletes, go wild for amino acid supplements. Amino acids help plants by… • Increasing their production of chlorophyll, which ultimately improves their ability to photosynthesize • Serving as an easily absorbable form of nitrogen • Stimulating the synthesis of key vitamins • Improving their resistance to pests and diseases • Boosting the strength of their cells Amino acids also serve as the precursors to auxins, a group of plant hormones produced in the meristems—the apex of the stems where new leaves and stems are born. Auxins play a key role in the plant, activating genes for plant growth and development by triggering a multitude of vital plant functions. In other words, they determine what its size and architecture will look like. Auxins influence the development of branches, flowers, and roots, and even help to regulate the photoperiod response of the plant. Some amino acids, like cysteine, also work together with antioxidants like glutathione to help cannabis plants deal with oxidative stress, which can be caused by high-intensity lighting, some nutrient solutions, and high levels of CO₂. Unlike humans, plants can synthesize all the amino acids they need to survive and develop properly. Unfortunately, however, amino acid synthesis is a really high-energy process, and plants may struggle to produce enough amino acids when exposed to stress. WHAT FACTORS AFFECT A PLANT’S ABILITY TO SYNTHESISE AMINO ACIDS? Any kind of stress can affect a plant’s ability to produce enough amino acids. This includes: • Drought • Temperature extremes • Poor soil health • Pests • Diseases • Poor lighting • Lack of space • Poor root health WHAT DOES ALL OF THIS MEAN FOR WEED PLANTS? If you want to push your plants to their extreme in terms of floral growth and resin production, you should look into amino acid fertilizers. By making amino acids readily available to your plants, they’ll be able to use crucial energy to grow and bloom, rather than focusing on synthesizing amino acids themselves. Game of Inches, this is another Plants can absorb amino acids via their roots and leaves. They can also benefit from amino acids during both their vegetative and flowering phases. The fastest way for plants to absorb amino acids is via their leaves. The foliar application of amino acids is believed to improve the transportation of nutrients, increase transpiration, and boost photosynthesis. Hence, I recommend feeding your plants with foliar amino acid fertilizers. When doing so, however, carefully measure the amount of fertilizer you use, as—like with any nutrient—overfeeding can damage your plants.

I agree with what you said. I too think it will cause burns on the leaves. Of course you could do it while lights are going off, but honestly, I just don’t think it’s worth the trouble when you can just give to the roots. Also, residue, or moisture could be there still when lights come on and burns are still possible. Good luck

Spraying leaves can cause more problems than they solve and is really best avoided. Just feed through the roots......exactly how the plant is designed to work.