Its definitely because it has to dry out, I think this is more trying to clean the sides of the tank than cleaning the sheep themselves, the sheep will get cleaned before being sheared anyway.
For sure. They use the sheep to clean the tank since wool is an excellent scrubbing material, and since they move through it under their own power, eliminating the need for hours of man powered elbow grease.
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u/zcewaunt 5h ago
And also because, just look at how brown that water is.