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News|Articles|October 27, 2025

Rice water

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Key Takeaways

  • Rinsing white rice yields water rich in starch and essential nutrients beneficial for plant growth.
  • Nutrients in rice water include nitrogen, phosphorous, potassium, iron, calcium, magnesium, sulfur, and B vitamins.
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Fun fact! You can use rice water to water plants. Click to learn more!

It is best practice to rinse white rice before cooking it, but you may want to save the water after rinsing. After rinsing, the water is full of starch and fortified with nutrients such as nitrogen, phosphorous, potassium, iron, calcium, magnesium, sulfur, and B vitamins that are beneficial to plants and can therefore be used to water both indoor and outdoor plants. Plants also use start to store energy for growth.

Source: Domrongchai, A. My Mom Calls Leftover Rice Water 'Liquid Gold'—You'll Never Guess Why. All Recipes. https://www.allrecipes.com/why-you-should-save-your-rice-water-8676338 (Accessed 2025-10-24).

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