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No matter whether fruit, vegetables or flowers: If you treat tap water correctly, you can also use it to water outdoor plants. Here 3 possibilities are presented.Tap water is often too hard for outdoor plants
Irrigation water is not just irrigation water, as some professional gardeners know and therefore does not simply turn on the tap, but also increasingly uses rainwater, because this is really excellent for watering plants and houseplants. Many garden owners therefore set up several rain barrels in the garden to catch the free water in it. Others, however, rely on shared storage such as an underground tank.
However, if you do not have a rain barrel, you can also use tap water to water the outdoor plants. Then, however, you have to prepare the tap water beforehand. We present you various options here.
Prepare tap water for outdoor plants
➤ Option 1 - Let tap water stand out:
Depending on the living area, the water from the pipe is often too hard. So the pH is too high. An elevated pH is usually recognizable from the yellowish-discolored plant leaves. However, you can also check the pH with indicator sticks (available here, for example).
If your tap water is really too hard, you can counteract this problem by allowing the tap water to stand longer in a bucket so that the lime can settle in the water. You can then skim off the actual irrigation water from above.
➤ Option 2 - add vitamin C:
You can also add pure vitamin C to the tap water. This makes it significantly softer and is therefore much better tolerated for outdoor plants.
➤ Option 3 - boil tap water:
However, you can boil small amounts of irrigation water. This should then be done at at least 60 degrees.