Light green.
Green
it turns red
green
pH 5.6
red?
Green
red
pH 5.6
green
it turns red
green.
red?
green
Bright red and the colourless
weak acid = orange/yellow
It first starts as yellow with only the indicator in the water, but when the magnesium is added, it turns green, then blue, and lastly purple
Pure water is neutral so the color will be green.