The Planted Tank Forum - View Single Post - Time for a new regulator?
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Old 12-07-2012, 01:31 AM   #7
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You're reading the kg/cm2 ring. You want the other set of numbers, which is PSI.

The one that goes up to 10 kg/cm2 (140 psi) is the working pressure. You want to run somewhere between 10 and 40 psi.
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