OMG Aquatics Posted April 8, 2015 Report Share Posted April 8, 2015 Does anyone know if CO2 from Fire Extinguishers are aquarium safe? jumpsmasher 1 Quote Link to comment Share on other sites More sharing options...
metageologist Posted April 8, 2015 Report Share Posted April 8, 2015 I have heard of people filling there co2 tanks at fire extinguisher companies is I would assume so. If you are looking for a refill locate an air gas supply company they purchase larger volumes so it may be cheaper. have a gneiss day Quote Link to comment Share on other sites More sharing options...
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