Fire Extinguisher Co2

[gregswimm]

I have herd people talking about using a fire extinguisher to inject co2 into their tanks. Does anyone know how to make one?

 

[bae1994]

http/www.fishforums.net/index.php?showtopic=212550

http/www.fishforums.net/index.php?showtopic=254568&st=0&p=2104940&#entry2104940