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Re: DIY - discussion on building a DIY hookah diving compressor
As I said, you can change the spring in a 2nd stage to lower the psi, but the hookah I use is 160 LPM and about 17.5 psi. so I don't want to restrict the flow. When you breathe normally, without holding your breath, you breathe continuously. With the free flow regulator air is coming down the hose at 160 lpm. You breath in and the exhaust valve closes and you fill your lungs. Less than a second later you breathe out and your exhaled breath with the fresh air is exhaled. then you start the process again. Most of the bubbles occur when you exhale, unless you hold your breath, which you shouldn't. I don't feel that restricting the air flow and putting a strain on the little compressor to stop the bubbles for less than a second is worth the extra cost. If you don't like the bubbles, on my regulator the exhaust valve exits in to a box shape that sits under the regulator in front of your chin with openings at each end, so it would be easy to silicon in two 3 inch tubes to divert the exhaust to the side of your face.