SEMI-SOLID INDICATOR

Some anaerobic jar is made up of side arm; this side arm is a point at which indicator tube is attached to the jar via a short length of rubber tubing. This type of jar have their own specific indicator that suit their operation, such indicator composed of sodium thioglycolate 0.1%, agar 0.5%, methylene blue 0.02% borax 1.0%.THESTING ANAEROBIC JAR

Dissolved the substance by boiling and cool to 50ºC and dispense in 6.5 X 100mm freeze drying machine packed over P₂O₂ and seal tubes with double heated burner in case the machine is not available boil the cement instantly, the mixture will be colorless, these entire indicator tender been colorless when oxygen is present, but if the solution turn blue it mean that the anaerobic status is not achieved.ANAEROBIC INCUBATION IN CANDLE JAR