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. 2012 Apr 9;7(4):e33648. doi: 10.1371/journal.pone.0033648

Table 1. Changes of pH values with culture time in the fresh thalli co-culture.

Treatment In no nutrients added assays In semi-continuous assays
Time(h) 48 h 96 h 48 h 96 h
1G 8.01 8.14 8.02 8.11
1U 8.54 8.69 8.51 8.63
1G1U 8.56 8.74 8.53 8.69
1G2U 8.85 9.02 8.60 8.78
1G3U 8.93 9.12 8.80 8.91