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Unread 01/07/2013, 04:34 PM   #13
blueramSeattle
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Join Date: Jun 2009
Posts: 132
Quote:
Originally Posted by newyorkerx View Post
Would brass be a better choice? I'm looking for something better than the cheap plastic ones that come with some calcium reactors.
I use a needle valve on my calcium reactor but it is for the regulation of CO2 and never comes into contact with water. Since the tank valve, regulator body, and pipe is brass I just continued the the original brass needlevalve but I do have stainless solenoids.

The output of the reactor is low pH and high Ca+ so I like on/off barbed drip irrigation valves to close the system for maintence and a "needle pinch valve" or "tube pinch valve" to meter flow. The next option for me would be a peristaltic pump to control the flow through the reactor.


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