How to distinguish the quality of water?

According to the view of "Guan Zi Di Zhen": soil quality determines water quality, and water quality is judged from the color of water. Water is white and sweet, water is yellow and smells, and water is black and bitter. The classic feng shui book "Boshan Pian" advocates: "Look for the dragon to recognize the qi, recognize the qi and taste the water. Its color is green, its taste is sweet, its scent is noble, and its color is white, its taste is clear, and its temperature is noble. . Its color is light, its taste is pungent, its breath is strong, and it is expensive. It is bitter and astringent, and if it is rotten, it is not enough to discuss." "Kan Yu Man Xing" discusses the good and evil of water in this way; This means that the dragon veins of Xiquan are long. The spring is not full and the autumn is not dry, so it is best to find a good treasure here."

As far as water quality is concerned, when judging by a simple and easy method of observing and tasting, the water should be clear, transparent, colorless, odorless, odorless, sweet and so on. If possible, chemical and biological tests should be done to check the hardness, mineral content, and bacterial content of the water.

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