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  • Writer's pictureSuminn Bae

Potassium Soap: DIY

The use of artificial chemicals for plant care can be detrimental to both the health of plants and our own health. For this reason, more and more people are leaning toward the use of natural and homemade methods for the care of their plants. An excellent alternative is the preparation of potassium soap, a totally natural and effective product for pest control and plant strengthening.


Benefits of Potassium Soap


Potassium soap, also known as caustic potash, has been used since ancient times for various purposes. In the field of gardening and agriculture, this product stands out for its numerous benefits:

  • Powerful Insecticide: Potassium soap acts as an effective natural insecticide, eliminating various types of pests that affect plants, such as aphids, mites, and whiteflies.

  • Fungicidal Effect: This soap also helps to prevent and control fungal diseases, such as mildew and rust.

  • Environment-Friendly: Unlike synthetic chemicals, potassium soap is biodegradable and does not contaminate soil or water.

  • 0 Toxic Residue: When using potassium soap in our plants, there are no toxic residues left in the food we grow.

  • Easy to prepare: We can make our potassium soap simply and economically, using easily available ingredients.


Process


Ingredients:

  • 100 grams of potassium hydroxide

  • 500 ml of distilled water

  • 1 liter of vegetable oil


Instructions:

  1. In a heat-resistant container, add the distilled water and slowly add the potassium hydroxide, stirring constantly. It is important to wear gloves and safety glasses to protect yourself from contact with potassium hydroxide, as it can be irritating to the skin and eyes.

  2. In another container, heat the vegetable oil to a temperature of around 60°C. Then, pour the potassium hydroxide solution into the container with the hot oil and mix vigorously for a few minutes.

  3. After mixing well, let the mixture rest for about 24 hours in a cool, dark place. During this time, the mixture will transform into a thick paste. After the resting time, you will notice a layer of soap formed on the top.

  4. To separate the soap layer, you can use a strainer or a skimmer. Once you have obtained the potassium soap, you can use it directly by diluting it in water before applying it to your plants.


Applying potassium soap to plants

There are different ways to use potassium soap on plants, depending on the situation and specific needs. Here are some ways to apply it:


Pest control

To combat pests such as aphids, mites or whiteflies, dilute approximately 20 ml of potassium soap in 1 liter of water. This mixture can be applied using a sprayer, spraying the plants affected by the pests. It is recommended to repeat the application every 7-10 days until the pests are completely eliminated.


Disease prevention

To prevent fungal diseases, such as mildew or rust, dilute approximately 10 ml of potassium soap in 1 liter of water. This solution can be applied to plants preventively every 15 days, especially in times of high humidity.


Strengthening plants

In addition to its insecticidal and fungicidal effect, potassium soap also helps to strengthen plants, improving their resistance and vitality. For this use, dilute approximately 5 ml of potassium soap in 1 liter of water and apply it to the plants every 15 days.

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