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**Alvin Koh** · 27-12-2010, 02:48 PM

Just to add on,

For the west side, Colourful Aquarium at Clement West St 2 does one-to-one exchange for CO2 cylinders if your CO2 cylinder is in good working order - which is a great service.

27-12-2010, 02:48 PM	#10
Alvin Koh Administrator Join Date: Sep 2000 Posts: 1,421	Just to add on, For the west side, Colourful Aquarium at Clement West St 2 does one-to-one exchange for CO2 cylinders if your CO2 cylinder is in good working order - which is a great service.