Andy Thurston
Member
- Joined
- 16 Apr 2013
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- 2,804
I've copied this from the co2art forum so it doesn't get lost, just in case they really have ceased trading. I've also edited it a little.
Guide to cylinder connections
Confused about cylinder types and connections?
There are quite a few Different types of cylinder available for us to use in our aquariums and people are often confused as to which type of cylinder and what connections it may use.
These can be split into 2 main types
1) Standard cylinders
These include various sizes (1kg, 2kg, 5kg etc) and are available from places like BOC, Energas, Pub gas suppliers, Hydroponics shops etc.
The connection that cylinders will have is CGA320 for cylinders acquired in America or Canada.
BS341 / DIN477 no.6 / JIS W21.8 are the connections that are used throughout the rest of the world. They are all the same connection but have a different name depending which country they are from.
2) Smaller types
These can be split into 3 types.
a. Sodastream
These have special threads only produced by sodastream these are all the same connection except if you get the cylinders from New Zealand or Austrailia which are different from the rest of the world .
These contain around 500g of CO2.
These can be obtained from most supermarkets and adapters can be bought so they will fit regulators for standard cylinders.
b. Non aquatic disposable types.
DIY disposable welding CO2 can be used.
They contains 500g or 600g
The connection Is a M10 x 1
These can be bought at places like Machine Mart, Halfords, Ebay etc.
c. Aquatic disposable cartridge type
This is the most expensive way of adding co2 to your aquarium
These come in various sizes ranging from 20-95g
they are not refillable and all the different makers use their own special connection
They can be bought from your local fish shop and ebay
Guide to cylinder connections
Confused about cylinder types and connections?
There are quite a few Different types of cylinder available for us to use in our aquariums and people are often confused as to which type of cylinder and what connections it may use.
These can be split into 2 main types
1) Standard cylinders
These include various sizes (1kg, 2kg, 5kg etc) and are available from places like BOC, Energas, Pub gas suppliers, Hydroponics shops etc.
The connection that cylinders will have is CGA320 for cylinders acquired in America or Canada.
BS341 / DIN477 no.6 / JIS W21.8 are the connections that are used throughout the rest of the world. They are all the same connection but have a different name depending which country they are from.
2) Smaller types
These can be split into 3 types.
a. Sodastream
These have special threads only produced by sodastream these are all the same connection except if you get the cylinders from New Zealand or Austrailia which are different from the rest of the world .
These contain around 500g of CO2.
These can be obtained from most supermarkets and adapters can be bought so they will fit regulators for standard cylinders.
b. Non aquatic disposable types.
DIY disposable welding CO2 can be used.
They contains 500g or 600g
The connection Is a M10 x 1
These can be bought at places like Machine Mart, Halfords, Ebay etc.
c. Aquatic disposable cartridge type
This is the most expensive way of adding co2 to your aquarium
These come in various sizes ranging from 20-95g
they are not refillable and all the different makers use their own special connection
They can be bought from your local fish shop and ebay
