For me, 1 is clear, 2 is kind of grey, 3 is light blue, and 4 is more royal blue.
The color does not so much matter as much as being able to tell when the color stops changing. You always add drops until the last one causes not color change and then do not count that drop.
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That is an interesting website ... thanks for the link.
The color does not so much matter as much as being able to tell when the color stops changing. You always add drops until the last one causes not color change and then do not count that drop.
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That is an interesting website ... thanks for the link.