Hi everybody, do you know if there is a way of counting archaea suspensions grown in vitro? The suspensions are rather concentrated so counting on filters is not so easy. I'm trying to stain them with DAPI or other fluorescent dyes but it's so small that I am unable to use malassez or kovaslides, despite I've seen some people doing like this in their articles. I thought of trying to mix archaea with fluospheres and count under the microscope, has someone already tried this (or other better techniques)? Thanks a lot for your help!