Install the membrane filter equipment has been sterilized beforehand and relationship with vacuum
to avoid contamination and so used the tools that have been sterilized in advance
Enter 100 ml samples (samples) into the funnel of the filter by using the eyedropper tool or a sterile measuring cup. The sample filter entirely with the use of a vacuum.
(Excerpts) to filter the sample through a membrane Rinse entire surface in
funnel filter with 100 ml of water or diluent of sterile distilled water and strain the liquid pembilas. Stop the vacuum after the flushing is complete.
to make sure all samples filtered (clean the rest of the samples found on the funnel)
filter equipment and lift Open the membrane filter with sterile tweezers
To avoid contamination in the samples
Put the membrane on top of filter medium violet red bile agar in a petri dish (So no bubbles under the membrane).
For bacterial growth (breeding)
Incubation bowls with inverted position at 35 ± 1 ⁰ C for 24-48 hours for the bacteria to grow
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