Thanks for the reply Mr G. I am at the moment waiting for a reply from the Health and Safety Executive about regulations etc. You are right about freezing the smaller bottles, it helps to pack the gas in at a lower pressure and allows the correct weight to be obtained. i would of course keep an eye on the weight and turn it off at 500g. As to the purity of the CO2, that is something I will research once I find out if I can legally do this. The filling that I will be doing is at home, however, I have heard of someone near Hove, who apparently goes round the shops with a bottle on a trailer behind his bike !!!! Now if he can do this legally, then surely I can have a bottle secured in my garage to refill bottles via a filling station lol. We shall have to wait and see as this will be a way for me to top up my CO2 and for it to also pay for the upkeep of my tank. So hopefully it will work out. Many thanks to all of you who have replied. i have taken all your comments on board.
Ian
Ian
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