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Re: Aquatic Plants Digest V3 #117

>I would be interested in the proper procedure for refilling CO2 tanks.
>Anyone know? 

Make sure who every fills your tank does so by first checking that the 
tare weight and then adding the CO2 by measuring the weight change in the 
cylinder.  The industry just had a CO2 rupture because it was overfilled 
(hydralic expansion can generate tremendous pressures).