Aphrometer - manometer for flaske 0-10 bar - BacBrewingAphrometer manometer for flaske 0 10 bar Aphrometer or as it is best known, pressure gauge bottle crown 26 or 29 mm To protect against bottle bursts, this aphrometer is equipped with a vent screw for any overpressure problems, by unscrewing it slightly the pressure will be lowered without having to remove the aphrometer With the aphrometer it is possible to monitor the internal pressure of the bottle during the maturation fermentation phase of the