Co2 tank refill/exchange questions

[j.c.koh]

I just found out that the solenoid gauge on the Co2 tank has gone down to 900psi. I guess it's time for an exchange soon.

What's the common practice? Do I use up to a certain psi value first or do I replace it now?

I won't be able to drop by NA until next week will that be OK?

[vinz]

Let it drop to zero then change. You'll find that even at zero, it'll still give a decent BPS. When mine starts dropping, it takes about a week to get to zero. I run a 5 litre cylinder at a very high BPS.

On the other hand, if you're using a single stage regulator (all the ones I've seen in SG are single stage), you might experience End of Tank Dump (Google for details please)... Which admittedly I have only read about in overseas forums but haven't read any in SG.

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