Simmons Citrate Agar

Colin A. B. Davidson c.davidson at
Tue Feb 13 09:24:46 EST 2001

"Bob" <bbruner at> wrote in message
news:3a8890f1.3319941 at

> Simmons citrate agar = Koser broth + bromthymol blue (80 mg/L) + 1.5%
> agar. However, looking at their actual recipes shows some other small
> differences.
> The Manual discusses how the agar medium was devolved, in response to
> problems with the broth.
> Maybe try the Koser broth + indicator?

Yep, that's now the plan. I've also found different recipiesfor Simmons in
the Difco and Oxoid manuals.

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