I questioned my lfs about this fine whitish film growing over the rocks where there was dead stuff, they told me it was bacteria.
I now have a few rocks covered in this white film, mostly over dead stuff again, but two rocks are almost completely covered in this bacterial film.
I am curious, can bacteria reproduce to such a level that it becomes visible? is this really bacteria?
I now have a few rocks covered in this white film, mostly over dead stuff again, but two rocks are almost completely covered in this bacterial film.
I am curious, can bacteria reproduce to such a level that it becomes visible? is this really bacteria?