The Vacuum Flask Needs to Be Cleaned Regularly to Prevent Bacteria From Growing Into Biofilm

Taiwanese Family Practitioner, Chen Chung Hsien, reminds us of washing a vacuum flask thoroughly, otherwise a layer of microbial plaque would be formed over time. Shutterstock

Many people use vacuum flasks to enjoy either cold drinks in summer or hot drinks in winter. It is a good practice to replenish water often but one should remember to wash the vacuum flask thoroughly and regularly, for the bacteria will accumulate.

Taiwanese Family Practitioner, Chen Chung Hsien, reminds us of washing our vacuum flasks thoroughly to avoid a film of microbial plaque forming over time.