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The Mighty Weapon for Boosting Cannabis Yield, Potency, and Terpenes: How to Use Lactic Acid Bacteria

the mighty weapon for boosting cannabis yield

Veganic and organic cannabis grows are now becoming more and more popular.

However, if you’re planning to take this route, are you willing to sacrifice the potency or yield of your plants? If you are serious in getting started with this, then you should be familiar with the lactic acid bacteria(LAB).

It’s time to know how LAB can provide you healthier and 100% chemical-free weed plants without any hint of sacrifice.

Cultivating Cannabis in the Natural Way is Good

Organic weed cultivation skips the use of chemical fertilizers for the sake of nurturing the micro-herd of soil. These chemical fertilizers are not good for cannabis as they are salt-based.

Skipping the use of these fertilizers do not mean force-feeding cannabis with mini-cows.

The micro-herd is the complex group of good microbes like fungi, bacteria, yeasts, algae, and other beneficial microorganisms.

With organic cannabis cultivation, you’re feeding the plants and the microbes will digest the food they consumed, and the byproducts will feed your weed. This organic technique is 100% balanced.

Plus, it will virtually eliminate issues such as deficiencies, overfeeding, or nutrient lockout.

All those things occur once you do organic weed cultivation correctly. You have no reason to worry regarding pH levels.

However, it does not mean you will be sacrificing potency just because you need to avoid the designer cannabis bud enhancers or THC boosters? Not really. Lactic acid bacteria (LAB) might even work better.

What’s Good About the Lactic Acid Bacteria?

Lactic acid bacteria (LAB) are a food-safe microbe.

They are useful in making fermented goods like pickles and yogurt.

At times, food processors use LAB as well as a sanitizing agent. Once added to a solid or liquid material which contains some form of sugar, the lactic acid bacteria will eat and digest the whole sugar content. The LAB will eventually excrete the byproduct or metabolite in the form of lactic acid.

These beneficial microbes are not harmful to humans. They are good for people just like what they are to cannabis plants.

There are two kinds of bacteria in a person’s body: the bad and good bacteria. Every human has lactic acid bacteria in his or her personal micro-herd which lives in the digestive system.

Most doctors recommend adding probiotic supplements that contain lacto b. These supplements are helpful to a person who is having a digestive issue. Consuming yogurt regularly can also help.


Video by: Hussain Biology – Lactic Acid Fermentation | Detailed


Lactic Acid Bacteria Defined

The lactic acid bacteria or LAB are the Gram-positive and non-spore forming cocci, rods, or coccobacilli with below 53mol% G + C DNA base structure.

Generally, LAB lack catalase and are non-respiratory. These beneficial bacteria ferment sugar primarily to pure lactic or to a blend of carbon dioxide, lactic acid, and ethanol.

The lactic acid bacteria grow anaerobically. However, compared to most anaerobes, these beneficial microbes live and thrive with the presence of oxygen as aerotolerant anaerobes.

Though they do not have catalase, the lactic acid bacteria have superoxide dismutase. They even have alternative ways to detoxify the peroxide radicals usually through the peroxidase enzymes.

Although most genera of the bacteria can generate lactic acidas a fermentation main or minor end-product, the word “lactic acid bacteria” is unoriginally earmarked for species in the order Lactobacillales consisting:

  • Leuconostoc
  • Lactobacillus
  • Pediococcus
  • Streptococcus
  • Lactococcus
  • Enterococcus
  • Carnobacterium
  • Oenococcus
  • Vagococcus
  • Tetragenococcus
  • Weisella

Since they get energy from sugar metabolism, the lactic acid bacteria live only in the areas or environments where sugar exists.

They come with limited biosynthetic capability. Also, they evolved in areas rich in vitamins, amino acids, pyrimidines, and purines. Therefore, cultivating them should take place in complex media which fulfill their nutritional needs.

The lactic acid bacteria are free-living. Meaning, they live and grow in harmless or beneficial associations with the animals. Some become opportunistic pathogens though.

On top of that, the lactic acid bacteria exist in milk or milk products and rotting plant materials. In humans, these beneficial microbes are normal flora within the oral cavity, within the gut, and vagina where they have a very crucial role.

Some lactic acid bacteria are pathogenic for the animals. Many of them are part of the genus Streptococcus family.

In a person, the streptococcus pyogenes is the leading cause of diseases such as strep throat and pneumonia.

The best of all, the lactic acid bacteria belong to the most vital microorganism groups used in the food fermentations. They contribute to the texture and taste of fermented foods.

Aside from that, the lactic acid bacteria inhibit the bacteria associated with food spoilage. What they do is they produce growth-inhibiting substances and lactic acid in huge amounts.

Since they are fermentation agents, the lactic acid bacteria are also involved in the production of cheese, yogurt, sour cream, cultured butter, cucumber pickles, sausage, sauerkraut, and olives. However, some species can spoil the wine, beer, and processed meats.


Video by: Dr. Eric Berg DC – The Amazing Lactic Acid Bacteria


Why Should You Use Lactic Acid Bacteria (LAB) in Cultivating Cannabis?

The lactic acid bacteria are very useful in organic cannabis cultivation because they are extremely effective in enhancing air ventilation in the soil. They are also effective in promoting the development of leafy vegetables and fruit trees.

The organic acid or lactic acid produced by LAB contains a pH level of 2. Therefore, they have intense sterilizing power.

As the lactic acid bacteria are provisionally anaerobic, they can survive even without the presence of oxygen. LAB can also endure high temperatures.

The lactic acid chelates or decomposes the minerals stuck to the soil particles that are not easily liquified. It converts the minerals into another form that the plants can easily absorb.

Moreover, when the plants absorb the lactic acid, the fluids they contain will adjust. These plants may even develop increased resistance against diseases. Absorbing the lactic acid produced by the LAB will also enable the plants to withstand heavy rains without becoming making them soft.

The lactic acid bacteria are also very effective in encouraging the plants to produce big fruits and leaves. On the other hand, you must be extra careful when using LAB.

Too much of these beneficial microbes can cause sweetness to drop. Hence, in the case of the fruiting plants, you must use less lactic acid bacteria within the later phases to manage the ideal sugar levels.

Combine the lactic acid bacteria to IMO or indigenous microorganisms. Spray the fused LAB and IMO on the fields. Anaerobic organisms are extreme tillers. They dig into the soil and make it fluffy and soft. Feeding FPJ or fermented plant juice and lactic acid bacteria to livestock when they’re suffering from a disease can help a lot in restoring their digestive tracts.

How Can Lactic Acid Bacteria Enhance Your Cannabis Plants?

Theoretically, the addition of the lactic acid bacteria to your cannabis plants will increase the production of terpenes and trichomes. The scientific research featured in the NCBI backs up this theory.

Here is a simplified version:

As lactic acid bacteria digest sugars, they generate a short-chain fatty acid a byproduct known as hexanoate. The cannabis plants will synthesize the hexanoate to release cannabinoids and terpenes.

Through adding more hexanoate, there will be building blocks to accommodate more cannabinoids, more terpenes, and more THC.

You can use the lacto b to promote plant development by making the organic fertilizers more bioavailable and prevent diseases by suppressing different kinds of bad bacteria and fungi. Therefore, your young cannabis plants will grow healthier and bigger. Not only that. Your plants will yield more!

How to Add Lactic Acid Bacteria to Your Grow?

If you are growing weed organically by using the so-called no-till method, the soil you use might already contain Lacto b. Take note that the lactic acid bacteria do exist everywhere. They may be present even in the air.

The best time to add LAB to your grow is when the leaves and other plant matter touch the surface and begin to decay. The lactic acid bacteria that already exist in the soil will feed on the mature organic matter as well.

Most of the Lacto b in the soil exists within 15 centimeters of the surface as they need a small amount of oxygen for them to survive. Those microbes that belong to this classification are called the soil-borne facultative anaerobes. Meaning, you must be able to enrich the soil from its surface with more lactic acid bacteria. However, not everybody agrees it is possible.

If you still want to try it, then you can add LABS or lactic acid bacteria serum to the water and spray the mixture to soil. You can also spray it directly on your plants.

What to Avoid When Using Lactic Acid Bacteria?

If you’re trying to stimulate a healthy and productive micro-herd, you should never use those salt-based fertilizers made of chemicals to your soil. These chemical fertilizers are somewhat harmful to lactic acid bacteria. They will kill the majority of your good microbes while allowing the bad and harmful ones to survive and multiply. Also, you should avoid disturbing your soil if possible. Most of your lactic acid bacteria will remain just underneath the soil’s surface and getting them exposed to the UV light can severely harm and even kill them. Therefore, you must apply lactic acid bacteria only at night or before turning off the grow lights.

Where to Acquire Lacto B?

You can make your LABS simply by using the items you often use in the comfort of your home. For ingredients, you will need the following:

  • 240ml water
  • 340g rice
  • 1L organic milk

Note: Don’t use commercial milk it contains antibiotics.

Also, you will need these materials:

  • Cheesecloths
  • Wide-mouth glass jars
  • Rubber bands
  • Transparent pitcher


  1. If the water supply in your home is chlorinated, allow it to last out for up to 24 hours, allowing the chlorine to dissipate.
  2. Add equal amounts of rice and water in a glass jar.
  3. Shake the jar and strain the content through the cheesecloth and collect the produced liquid by using the other glass jar. The produced liquid must be milky-looking.
  4. Cover the glass jar with another piece of cheesecloth and seal it with some rubber bands.
  5. Put the closed glass jar in the paper bag. You can also cover it with a fabric to leave it unexposed to light.
  6. Leave the glass jar in a dark and warm place.
  7. Be sure to check the glass jar every day. Check if there is residue settling at the base. Also, check if the mixture has a sour odor. If those things are visible, then it means the fermentation process began. The process takes 2 to 3 days when the temperature remains within the temperature range of 25 to 30 degrees Celsius. Otherwise, the fermentation process may take 7 days or even longer.
  8. Fill the clear pitcher with milk.
  9. Then, add the fermenting mixture of rice and water in the pitcher while straining it using a neat sheet of cheesecloth.
  10. Seal the pitcher with another cheesecloth and rubber bands or the pitcher’s top. Be sure it is secure while still allowing airflow.
  11. Place the pitcher in the paper bag or cover it with a cloth.
  12. Put it in a cool and dark place.
  13. Check the pitcher once every day and wait for 3 distinct layers to form. It takes up to 7 days to finish.
  14. Scoop out the uppermost layer or the curd and throw it.
  15. The serum or whey has a bright yellow color and sits in the middle. Slowly fill a clean jar with the serum while straining it using a cheesecloth. Do it slowly but surely. Make sure the bottom layer is left in the pitcher.
  16. Cover the jar containing the serum loosely. This will let the gas formed as a result of the progressing fermentation process escape.
  17. Keep the jar in the refrigerator.

Now, you already have living lactic acid bacteria serum. The serum will continuously produce tiny bubbles and must develop a slightly sour/sweet aroma. A rotting-like smell in the serum indicates other bacteria contaminated the serum. You can’t use it, so you need to repeat the fermentation process until you have a usable serum.

If the produced serum is okay, dilute it by adding 30ml to 1L of chlorine-free water and put the serum to spray bottles. Each batch of serum can produce up to 500 liters of spray.

If you cannot refrigerate the serum, stabilize it by adding the same amount of either brown sugar or molasses to the mixture. It will give your lactic acid bacteria something good to feed on until the right time for using them on your cannabis plants.


Video by: Chris Trump – Korean Natural Farming How to: LAB


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