And make sure it's pure CO2, not a Nitrogen/CO2 mix.
My local said he would give me a full bottle for sod all, only problem being he dont have pure co2.gutting. But £40 for a full bottle, in a closing down sale, wonder how much he would charge if he wernt closing down.
if he doesnt have pure co2 then what does he use for larger.
also if he has post mix (fizzy drinks from a pump) he must have