Table 5.

Observed pH changes over time for various strains.

		Time of incubation
Strain	pH of sterile medium	24h			48h			72h
		repeats n=3			repeats n=3			repeats n=3
P.aeruginosa ATCC/TSB	7.4	8	8	8	8.5	8.5	8.5	8.5	8.5	8
S.aureus/TSB	7.4	6	6	6	6.5	6.5	7	7.5	7	7
C.albicans/TSB	7.4	6	6.5	6	8	8	8	5	5	5
S.mutans/BHI+3%S	7.3	5	5	5	5	4.5	4.5	5	4.5	4.5
S.mutans/ BHIM	7.1	6	6	5	5	5	5	5	5	5
S.mutans + C.albicans/BHIM	7.1	5	5.5	5	4.5	5	4.5	4.5	4.5	4.5

TSB – tryptic soy broth; BHIM – Brain-Heart Infusion Medium; +3%S – medium supplemented with 3% sucrose.