@a2j 30 March 2022 more from that month

The color of water! I have a water purifier that I've used for about 8 years now. It's a reverse osmosis based system. Although it malfunctions on and off, it's had been fairly reliable. One amusing part in the water purifier is the presence of a bluish light at the part that dispenses the water. This makes the water that flows out of the tap look blue - a bit of a gimmick to give an impression of clear blue water!