4 ms·

Chlorine will kill giardia. You just have to wait somewhat longer. Giardia is definitely present in Pakistan, where this is being manufactured.

• baybal2 5y ago
  Unfortunately it seem to not to work in Chinese giardias. Giardiosis happen rather routinely even in places like Shanghai. Personal experience.
  • Laforet 5y ago
    The quality of tap water in Shanghai is pretty bad even by Chinese standards - there is a reason why boiling water is the norm.