pH

pH for all my tanks:

#1-6.3 Buddas
#2-7.1
#3-7.2
#4-7.2
#5-6.9
#6-x
#7-7.3
#8-7.0
#9-x
#10-x
#11-6.5 Pacus
#12-7.4
#13-7.3
#14-7.1
#15-6.0 Red Devils
#16-7.1
#17-6.8
#18-6.1 Pirahnas
#19-6.9
#20-6.5 Oscars
#21-x
#22-7.2