In general, if white flocs appear on the surface of pickled cucumber, it is suggested to soak the pickled cucumber in clear water for a period of time, then rinse it with clear water to remove microorganisms and bad taste on the surface, and then pickle it. If the white floc is difficult to remove, we can consider using some disinfectants or preservatives for treatment, but we should pay attention to the dosage and concentration to avoid adverse effects on pickled cucumbers.
In short, if white floc is found on the surface of pickled cucumber, it is best to carefully consider whether to eat it, so as not to affect health.