04-14-2013, 11:25 AM
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Its only a couple years old, but its not designed for such low output, the metering valve is barely and i mean barely open to get couple bubbles a second. It was designed to put out at least a .5cfm to fill rooms with a 1600ppm level.. if it is set to a higher level it is solid as a rock. but at that level its so low its not sure how to work.. i use co2 for many purposes, just not in a aquarium like this.. i had hoped a replacement needle valve would be more accurate.. just running this thru my mind.. im almost 100 sure there is no blockage or damage. its not the cheapest unit costing over 100. and ya i knw they can be way more expensive..pressure is settin at over 1000lb,, im almost sure its just a matter of adapting it for aquarium usage..
Last edited by willyblue; 04-14-2013 at 11:28 AM..
Reason: added info