Both EM and MA biomass were measured by the spectrophotometer
colorimetric method in order to allow rapid measurements.
Spectrum analysis was carried out for the specific EM and
MA to determine the appropriate wavelength for the spectrophotometric
colorimetric determination. Spectrophotometer calorimetric
method yield optical density (OD) with regard to the
microbial biomass density. The microbial cell density was varied in
the range of 5.24 106 to 9.14 109 CFU mL1 for EM and 1.22 106
to 4.88 107 cell mL1 for MA. MA cell density was determined
using Syringe Liquid Sampler Particle Measuring System SLS-PMS
(PMS, USA). For the measurement of the mixed cells of EM and
MA, OD measurement mainly served as rapid measurement where
the confirmation on CFU and particle measurement were done
every three days for confirmation.