Within SSERC we have been using disposable plastic haemocytometers for some time now. We have found them to be very useful, reliable and robust. The files available here are those which we use when running workshops for teachers, trainee teachers and technicians.
We also offer a protocol for counting micro-organisms using a standard glass haemocytometer as a means of estimating population size and growth:
Practical activity – based on kit available from NCBE
Practical activity – based on kit available from Bio-Rad