Conserving Oxygen just sucks you will not get much done doing that.
Get a concentrator, it will pay for itself in no time and you can torch all day and night.
Now I just ordered a homefill to go with it so a big torch is no trouble.
The concentrator running a bobcat saved me enough money to buy a new GTT Cheetah and the homefil. I can then fill the 3 big tanks I own.
If you only run tanked oxygen you will limit you practice time, and will not be able to take your time and learn without a big cost.
It does not take many tank fills to equal the price of a concentrator.
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