Bacteriophage resistance to acidity and alkalinity
Survival of bacteriophages over the range of pH 1 to 11 is shown in Table 3. The six bacteriophages were highly susceptible to acidity at pH 1 to 2 and susceptible in varying degrees to overnight exposure to pH 3 to 4. All of the bacteriophages were resistant to the range of pH 5 to 9. Bacteriophages JH4 and JH6 appeared to be slightly more resistant to acidic conditions than the others, as they survived at pH 3.