Where To Buy Potassium Bicarbonate For Powdery Mildew

If you are constantly worried about powdery mildew infesting your plants, then you might want to know where to buy potassium bicarbonate for powdery mildew. Potassium bicarbonate was proven to have a significant effect on this.

Powdery mildew can be an unpleasant sight for some who have gardens in their homes. The good thing is there are many solutions you can use to combat it, and one of them is potassium bicarbonate.

where to buy potassium bicarbonate for powdery mildew

If you want some organic product to use as a mildew treatment, you should try potassium bicarbonate. To know more about powdery mildew, how to use and where to buy potassium bicarbonate, continue reading.


What Is Powdery Mildew?

Almanac defines powdery mildew as a fungal disease that affects multiple kinds of plants. You can identify it through the appearance; it would look as if it’s brushed with flour, and usually colored as white or gray patches that cover the upper side of the leaves.

This powdery growth can appear commonly on the surface of leaves, but it can also grow on buds, fruits, and flowers. Many species of shrubs, vines, trees, flowers, vegetables, fruits, grasses, and field crops can be impacted by this, along with other furniture surfaces inside and outside of your home.

Powdery mildew can compel the slow deterioration of leaves, lessen the usual harvests and the plant quality. It can also cause harm to people upon contact, eaten, or inhaled.

Learn more about powdery mildew through this article about how long do powdery mildew spores live.

You can follow the given set of actions to prevent powdery mildew:

  1. Choose a plant that can resist mildew growths.
  2. Plan the perfect place to position your plants. It should have suitable air circulation and has good lighting.
  3. Don’t use too much fertilizer. 
  4. Regularly check your plants, so you can immediately act once there’s a sign of powdery mildew growth.

To know more about powdery mildew prevention, you can visit this article entitled, how to get rid of powdery mildew.


Potassium Bicarbonate

Potassium bicarbonate is a contact fungicide that you can use to combat, prevent, or protect plants from mildew. It is also claimed to aid in growing plants which is much better.

It is an organic fungicide proven to be efficient in preventing fungal diseases. Being organic is much better than using the usual products that contain chemicals that can cause harmful effects.

Some of the diseases you can use potassium bicarbonate for treatment were downy mildew, powdery mildew, septoria leaf spot, black spot, blights, apple scrap, and many more.


Where to buy potassium bicarbonate?

There are numerous places to purchase potassium bicarbonate, either online or in physical stores. Here are some physical stores where it is available:

  • Garden centers
  • Hardware stores
  • Pharmacy shops
  • Wine-making supply marts

While Amazon, eBay, Alibaba, and Walmart are online stores, you can still try buying from them.


Application of potassium bicarbonate

To learn how to properly use it and fully maximize the benefits you can gain from using potassium bicarbonate, you can follow these step-by-step instructions: 


Method #1. Potassium bicarbonate and milk

You’ll need a few things such as spray bottles that can fit a gallon of water, measuring spoons, some liquid soap, a gallon of water, and potassium bicarbonate.

Mix ½ teaspoon of liquid soap with a gallon of water, then mix it. After that, add one tablespoon of potassium bicarbonate.

You can start by spraying each affected area individually. Be sure to cover all the powdery mildew with the solution. 

After that, let it just sit and be soaked thoroughly.


Method #2. Potassium bicarbonate, dishwashing liquid, and vegetable oil

For this method, you are required to prepare a spray bottle, measuring spoons, dishwashing liquid (preferably a mild one), a gallon of water, vegetable oil, and potassium bicarbonate.

Blend one tablespoon dishwashing liquid, one tablespoon of vegetable oil, one tablespoon of potassium bicarbonate, and one gallon of water. You can modify this based on how much you require. 

Shake the spray bottle to blend the solution thoroughly. Then you can finally start spraying it to all the affected areas.

Please make sure that the solution is entirely covering the infected areas before leaving it be.


Method #3. Potassium bicarbonate and milk

Here you’ll need spray bottles, measuring cups, a bowl, cow’s milk, water, and potassium bicarbonate. 

Start by combining three cups of water, one cup of cow’s milk, and a pinch of potassium bicarbonate in a bowl. Then, pour the combined ingredients into a spray bottle. 

Start sprinkling every affected plant, make sure it is well coated. Then, you can leave it like that.

No matter what method you prefer, guarantee that it’s a bright day but not hot when you make the application. You can also spray it once every two weeks for mildew treatment and prevention. 

The additional information you can read is how fast does mildew grow.



Potassium carbonate can be the key to helping you remove powdery mildew. Knowing how to use it correctly or where to buy potassium bicarbonate for powdery mildew can be very beneficial. 

Suppose you are one of those worrying about powdery mildew infections on your plants, then after reading this article, you will probably be able to confront it with more ease and preparedness.

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