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Use the water collected from the tank to fill your toilet. To do this, simply set it aside in a bucket and pour it into the toilet bowl after using the toilet.
Good to know: You can also recover the shower water that is usually wasted at the beginning of the toilet if you wait until it becomes hot enough for the same use. This easily saves 5 to 10 liters of water.
4) Clean the house with water from the dryer
