Now, most vegetables and fruits are sprayed with pesticides such as insecticides from time to time in order to look better and yield more. Some vegetables and fruits are listed for sale when the pesticide has not been completely decomposedwater testing tds meter clean, so how do you clean the pesticide residue on it? In general, I will employ the following techniques.
1. Soaked in rice water, which is acidic and can break down residual pesticides. When cooking rice, do not pour away the water; instead, pour it into a basin. After washing the dirt soaked in rice water, clean the surface of the vegetables and fruits with running water for 20-30 minutes.
2. Soak with salt and flour, add salt (about 3% salt) and the appropriate amount of flour to the water. Personally, I believe that this method is especially appropriate for broccoli and strawberries, because the salt water not only removes residual pesticides, but also the small insects inside.
3. Soak in baking soda, which is alkaline and can remove pesticide residues. After washing with running water, add an appropriate amount of baking soda to the water and soak the surface dirt washed fruits and vegetables for 20-30 minutes.
4, direct peeling is a simple and effective method. Suitable for potatoes, apples, and other skinned fruits and vegetables.
5, I've heard of vegetable and fruit washing machines, but I've never used one.
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How is TDS in water determined?
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