Soap breaking up a ciliate.
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Previously:
https://www.homemadetools.net/forum/...394#post204607
https://www.homemadetools.net/forum/...586#post193348
https://www.homemadetools.net/forum/...377#post192641
https://www.homemadetools.net/forum/...462#post192953
https://www.homemadetools.net/forum/...570#post205535