The Cannabis Growers Guide to Hydrogen Peroxide

The Cannabis Growers Guide to Hydrogen Peroxide

Hydrogen peroxide growing cannabis marijuana

Hydrogen Peroxide and Cannabis

Hydrogen peroxide and cannabis uniquely go together. When most people think of hydrogen peroxide, they think of the antiseptic they keep in their medicine cabinet. Some people even know it as a way to color hair. But for many people, the thought of adding hydrogen peroxide to cannabis leaves them scratching their heads. That is, of course, until they are cultivating cannabis and faced with obstacles looking for solutions. Speaking of solutions, hydrogen peroxide can be an excellent solution for many problems with cannabis cultivation when appropriately used.

Hydrogen Peroxide

Hydrogen peroxide or H2O2 is utilized as an oxidizer, a bleaching agent, and a disinfectant. H202 can be used orally to help sanitize the mouth. Some people use it to help clean out their ears. It can also be used in industrial applications throughout the household. Most hydrogen peroxide sold comes in a concentration that averages between 3 to 6%. You can find a 35% concentration of hydrogen peroxide in some places.

Using hydrogen peroxide for marijuana​

Cannabis cultivation is both fun and challenging. The reward for hard work is a bountiful Harvest of potent sticky buds. Achieving this is easier said than done. As anyone who grows cannabis well knows, you will face all kinds of issues when growing cannabis. The best way to avoid the most common problems faced by growers is by meticulous cleaning. Keeping your grow environment cleaned and what comes in and out of it clean will help you avoid issues that could stun the growth of your plants, stress them out, or kill them.

Hydrogen peroxide can be used when growing marijuana for the folllowing:​

  • Pest infestations​
  • Root rot​
  • Fungal infections​
  • Bacterial disease​
Whether you are new to growing cannabis or a seasoned pro, you're going to face issues. Those who are new to growing cannabis will most likely face a lot of problems. As you work through them, you will understand that prevention is the key. By getting these issues and tackling them, you will learn what not to do and how to avoid them in the future. Some of the most common issues with cannabis cultivation are root rot, pest and infestations, bacterial diseases, and fungal infections. Should you find yourself faced with one of these issues, you may find yourself turning to hydrogen peroxide. Hydrogen peroxide works as an antibacterial, a pesticide, and antifungal, and offers aeration properties via decomposition. Hydrogen turns into water and oxygen under normal conditions. This can prove extremely beneficial for oxygen-deprived soil as well as at eradicating bacteria, insects, or other organic tissue the oxygen atom comes in contact with. Hydrogen peroxide can be used as a foliar spray or as a watering solution for cannabis plants.
  • H202 Foliar spray- a hydrogen peroxide foliar spray is best suited for cannabis pests, bacteria, and fungi. It is prepared by mixing specific amounts of hydrogen peroxide and water in a dark plastic spray bottle to achieve the correct dilution.​
  • H202 Watering solution-hydrogen peroxide watering solutions are made by adding a specific dose of hydrogen peroxide to a water tank or container used to water your plants. A watering solution can help treat damage to roots as well as fight bacterial buildup in water tanks.​

How much hydrogen peroxide for a cannabis plant?​

  • H2O2 foliar spray, add 3 mL of H2O2 per gallon of H2O.​
  • For a maintenance foliar spray, add 1.5 ml of H2O2 per gallon of H2O.​
  • To treat root rot, add 15 mL of H2O2 per gallon of H2O daily until the problem is resolved.​
  • Standard and Warm Water Tank H2O2 Application - add 5 ml of H2O2 per gallon of H20​
  • For maintenance, add 2.5 ml h202 per gallon of H2O.​
When using hydrogen peroxide to treat issues with cannabis plants, you will want to be mindful of a few things. First and foremost, you will want to be aware that using hydrogen peroxide could potentially damage the microbial life of your medium.

Also, using hydrogen peroxide to treat issues such as root rot is nothing more than a temporary fix. The oxygen the roots will receive is short-lived. If the problem is not remedied that caused it in the first place, chances are you can find yourself right back where you started from. In many instances, hydrogen peroxide should only be used as a last resort to treat root rot.

When it comes to hydrogen peroxide, make sure that you respect it. Don't try getting all Bill Nye science Guy with it. You should never boil or heat hydrogen peroxide. If you were to do so, you would find out it becomes highly unstable and explosive. It's also a good idea to keep any kind of flame away from hydrogen peroxide.

Make sure to store it away from sunlight. A cool dark place is the best when it comes to good storage for hydrogen peroxide. Light will degrade the chemical composition of hydrogen peroxide, which is why it is most commonly sold in dark brown plastic containers. You may think that hydrogen peroxide is completely safe but don't chance it.

When handling hydrogen peroxide and diluting it with water, wear rubber gloves to avoid burns on the skin, rashes, or other forms of irritation. Should undiluted hydrogen peroxide come into contact with your skin, be sure to rinse the area thoroughly.

Using hydrogen peroxide to help eliminate issues you face during cannabis cultivation may help get you through a grow. Ultimately the takeaway from this would be to learn how to prevent the same issues from ever occurring again. When hydrogen peroxide is used in ordering systems, it can help prevent bacterial buildup and work to achieve a clean irrigation system for cannabis plants.

As a foliar spray, it also makes a great preventive measure for fighting off pests and other issues. If you find yourself facing issues of root rot, bacterial diseases, pest infestations, or fungal infections while cultivating cannabis, chances are you're going to want to learn all you can about hydrogen peroxide and preventive maintenance to avoid these issues in the future.
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