Whether you place your feet in the bucket or not, chances are the water will change colors when the array is turned on.
The color changes have to do with:
See when the water becomes excited it ejects tiny particles, and they become visually observable in the water. This will tend to make the water look the color brown.
BUT... when you test a bucket of water to see this principle, the color it actually becomes will generally be the same each time you use a new bucket of water from the same source.
BUT NOW... when you were to run this test over and over again but with a different person's feet in the water each time, what happens to the water can be amazingly different.
It's the health of the person that plays the vital role in why the color is different per person!
So when performing your foot detox sessions, understand that we already know what the "normal" color is with no feet in the bucket. This is how I determine and reference the understanding of "your" color after each treatment.
While the color changes in the water can be dramatic, it is not the only factor and one must be careful about making judgments based only on the watercolor. Some waters do not change color and it is not always an indicator of whether energy is being produced.
An additional indicator that may be found in the water after a session would be in the:

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