Bromthymol blue indicator--write color last column Water directly out of tap pH =7.2 pH=5.1 pH after exhaled air is blown through a straw into water for 5 min. pH=5.8 pH after a snaishas lived in water for three days pH with 2mL of bleach pH=9.4 added to the water pH with instant coffee pH=5.0 added to the water pH after an aquatic plant pH=7.7 is grown in water for three days in bright sunlight​