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Table 2 Bactericidal effect of HOCl solution at high chlorine concentrations

From: Hypochlorous acid inactivates oral pathogens and a SARS-CoV-2-surrogate

Bacteria

Chlorine concentration (ppm)

220

330

F. nucleatum

−

−

P. intermedia

−

−

P. micra

 + 

 + 

S. intermedius

 + 

 + 

  1. The mixing volume of HOCl was double that of the bacterial suspension
  2.  + : Growth was observed. –: No growth was observed