> There is no evidence that this treatment is effective against AFB or EFB.

So, a little digging. EFB is caused by Melissococcus plutonius, which is an enterococcus. A description on VetBact is here: https://www.vetbact.org/?artid=180

I found 2 studies that looked at the effect of pH on in vitro killing of enterococcus.

A 2006 study in Antimicrobial Agents and Chemotherapy found that pH 2 was necessary for in vitro killing of vanc-resistant enterococci. pH 4 was ineffective. As the pH of glacial acetic acid is 2.4, you're likely cutting it close. Here's a link to the figures from the article; see Fig 1b. You'll see what I mean. https://aac.asm.org/content/50/11/3901/figures-only. The PDF is also available free. It is a lactic-acid bacteria, which would make it relatively tolerant to low pH.

A second study found that treatment with a pH at or above 11.5 was effective in inhibiting growth. That study is here: https://www.sciencedirect.com/science/article/pii/S0099239905601252. That's pretty high, so I'm thinking that's not an option. Unless you want to make soap, of course.

S
Skillman, NJ

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