Its natural.
The rainwater contains minerals from the clouds, walls of rainwater tanks etc, thy just do. But water from a tap (unless bore water) Has no minerals in them and is clean and has no minerals.
It is just as good as any filtered water.
Rainwater harvesting is done by collecting and storing rainwater from rooftops or other surfaces in tanks or barrels. The collected rainwater can be used for various purposes like watering plants, flushing toilets, or even for drinking after proper filtration and treatment. Gutters and downspouts are typically used to direct the rainwater into the storage containers.
well the animals can get water from rainwater, pond, lakes etc etc#
The rain water is very useful for growth of plants because it is mostly unpolluted and also leaching of salts takes place in the vecinity of plants.
Carbon dioxide (CO2) is the most common form of carbon that dissolves in rainwater. When CO2 from the atmosphere combines with rainwater, it forms carbonic acid (H2CO3), which is responsible for the mildly acidic nature of rain. This dissolved carbon in rainwater can then be utilized by plants for photosynthesis or can react with minerals in soil and water bodies.
Toucans get their water from the plants they eat. It is also obtained through rainwater gathered in the leaves and plants, and occasionally from puddles on the ground.
A rain barrel is used to collect and store rainwater that falls on rooftops and other surfaces such as driveways and sidewalks. This captured rainwater can then be used for watering plants, gardens, and lawns, reducing the need for treated water from the tap and helping to conserve water resources.
Different plants have different nutrients , so no
Hydroponic lights are used to in the practice of growing plants indoors. They are used in hydroponics to simulate the sun so that the plants can grow as if they were planted outdoors.
Rainwater in industrial areas becomes more acidic due to pollutants such as sulfur dioxide and nitrogen oxides released by factories and power plants. These pollutants combine with water vapor to form sulfuric and nitric acids, lowering the pH of rainwater.