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salt in plant

Growing cannabis can be an exhilarating experience with so much to learn and understand about the plant. Caring for the plant is a crucial responsibility of any grower to ensure good quality yield. The best way to ensure you reap heavy and potent buds is to provide all the necessary nutrients under the optimum environmental conditions.

One of the simplest ways of providing a competent nutrient cocktail is through organic supplements. These compounds can enrich the soil with essential nutrition for the plant without causing any side effects. Epsom salt is one such popular natural supplement for the cannabis plant that promises to support healthy growth. 


What Is Epsom Salt?

The Epsom salt is a coarse variety that finds applications in health and beauty products we use every day. It is useful as an exfoliator, pain reliever, and cold and flu treatment as well. But did you know that Epsom salt is, in fact, the common name for magnesium sulfate? This natural supplement was first discovered in a small town located in England, named Epsom, where the locals began to utilize it as a go-to treatment for constipation for a few centuries.

epsom salt

Over the years, several other properties and benefits of salt have come to light, and today it finds a special place not just in health and wellness products but in gardening as well. Here we will explore the relationship between Epsom salt and cannabis plants and how the compound can improve plant health. 

Why Use Epsom Salt For Cannabis?

So, what makes Epsom salt a miraculous compound for your cannabis plant

Magnesium is a crucial micronutrient necessary to support the uptake of essential nutrients, such as Nitrogen, Phosphorous, and Potassium for your cannabis plant. These nutrients together play a critical role in influencing your plant’s size, strength, yield, and most importantly, potency. So next time you buy a high-quality concentrate such as Sativa, remember it comes from a well-fed cannabis plant.

Similarly, sulfur also plays a crucial role in strengthening the immune system of the plant. It actively participates in the essential functions of the plant, including enzyme production and water circulation. Sulfur is also vital to protect the plant from environmental stress. 

When your plant faces a magnesium deficiency, it starts to exhibit signs, such as yellowing leaves with green veins. Yellowing typically begins from the lower part of the canopy before it spreads to the plant’s rest. Using Epsom salt at this point can be beneficial, as it can provide the necessary levels of magnesium to the soil to support plant growth. 

Benefits Of Epsom Salt For Cannabis

Apart from Epsom salt’s ability to elevate nutrition uptake, there are few other benefits to choosing this incredible supplement for your cannabis plant. 

It Won’t Pollute The Soil 

One of the common problems with utilizing minerals and supplements is that they start to build up. It could pollute the soil with an overdose of specific compounds. However, Epsom salt can easily dissolve in the medium and is thus ideal for hydroponic systems. This way, you do not have to worry about blocking the plant’s roots that could hinder the nutrition pathway. Also, Epsom salt does not contaminate the soil, unlike chemical supplements, and is, therefore, an eco-friendly ally of your cannabis plant.

cannabis leaves

It Is Cost-Effective 

When you are growing cannabis on a large scale, the cost of supplements needs to be carefully assessed to make sure you are making a worthy investment. Epsom salt is a cheap and readily available alternative to several other supplements making it the budget-friendly choice for your cultivation. 

It Supports Seed Production And Germination  

Sulfites in the soil are known to damage the root systems and cause stunted growth and nutrient deficiencies in cannabis plants. Epsom salt’s ability to eliminate sulfites from the media makes it a vital compound to support a healthy seeding and germination process. It can increase the rate of germination and encourage healthy seed formation for breeding. 

It Elevates Chlorophyll Creation 

Chlorophyll is the essential compound for any plant to absorb sunlight, necessary for photosynthesis. Magnesium from Epsom salt aids in the fundamental building of chlorophyll compounds in the plant to support growth. 

How To Use Epsom Salt? 

The general rule of thumb for Epsom salt dosage is adding about one tablespoon per 5 liters of water. Transfer the mixture to a spray bottle and mist the plants once every three days towards the end of the day to avoid light burns. This ratio is appropriate for seedlings and during germination. You can add this mixture to the soil for mature plants.

mixture of epsom salt and cannabis plant seeds

The same ratio works for hydroponic systems if you are planning to use it through a foliar spray. Alternatively, you can add about two tablespoons per 5 liters directly to the system. 

How Much Is Too Much? 

Too much Epsom salt can cause blockage in your plant leading to nutrient deficiency. Therefore, start with a low concentration and stick to the recommended dosage limits. Avoid using Epsom salt to a healthy plant as it cannot bring any value.  

Conclusion 

Using agriculture grade Epsom salt for your cannabis plant can be an effective way of reviving a healthy circulation of nutrients in the system. It can provide the ideal levels of sulfur and magnesium to improve plant health and influence a strong soil foundation for profitable growth and yield. Make sure to use the salt in just the right levels to achieve the best benefits.



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