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Can I Water My Plants With Potato Water?

Q:

I've heard you can water plants with potato water that came from boiling your potatoes. Are there any real benefits of this and how should I go about doing so?

A:

Several gardening sources suggest that using water from boiling potatoes, for use in watering plants is beneficial. This makes sense, as potatoes are nutrient-rich with potassium, magnesium, phosphorus and a host of other vitamins and minerals. The only caveat I might suggest is to (obviously) let the water cool down first, and refrain from this application if the potato-water contains seasonings.

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