Juiceman Posted July 25, 2013 Share Posted July 25, 2013 I'm wondering if I should feed my ca Rx from a devoted pump or from the manifold of my return? Any Benifits or problems doing it one way or the other? Suggestions? Quote Link to comment Share on other sites More sharing options...
don duncan Posted July 25, 2013 Share Posted July 25, 2013 Either way will work. Quote Link to comment Share on other sites More sharing options...
+Mitch Posted July 25, 2013 Share Posted July 25, 2013 The CaRx effluent flow is minimal (mine is set to a "broken" stream via an RODI tube), so tapping off from the return flow has minimal impact and saves you on having to deal with another pump. Quote Link to comment Share on other sites More sharing options...
Juiceman Posted July 25, 2013 Author Share Posted July 25, 2013 So what is the solenoid for on the Rx? There's one on the regulator Quote Link to comment Share on other sites More sharing options...
victoly Posted July 25, 2013 Share Posted July 25, 2013 flip side of that is that there is some variability to your flow rate from a manifold. your pump gunks up over time, your CaRX flow rate will change over time as your media dissolves, your valve will accumulate crud, etc. It may be minimal, but there is something to be said for using a solid peristaltic to keep your flow rates exceptionally consistent. Quote Link to comment Share on other sites More sharing options...
victoly Posted July 25, 2013 Share Posted July 25, 2013 So what is the solenoid for on the Rx? There's one on the regulator Turns off the CO2. No CO2 = no media dissolution. Quote Link to comment Share on other sites More sharing options...
Juiceman Posted July 25, 2013 Author Share Posted July 25, 2013 So ph gets too high, turn off co2? Or ph too low? Quote Link to comment Share on other sites More sharing options...
victoly Posted July 25, 2013 Share Posted July 25, 2013 pH gets too low, turn off. some people run their effluent through another reactor filled with more media to get the pH back up, others use CO2 scrubbers on their skimmer intake or vent the skimmer intake outside. With your tank volume, it probably wont be a huge issue. Quote Link to comment Share on other sites More sharing options...
victoly Posted July 25, 2013 Share Posted July 25, 2013 your goal should be to set your CO2 dissolution rate with your needle valve and not to rely on your solenoid. The more that solenoid cycles, the shorter it's service life is. If you get your BPM right, and steady, the solenoid just catches you in emergencies. Quote Link to comment Share on other sites More sharing options...
Juiceman Posted July 25, 2013 Author Share Posted July 25, 2013 Bpm? Quote Link to comment Share on other sites More sharing options...
victoly Posted July 25, 2013 Share Posted July 25, 2013 bubbles per minute. the quick and dirty way to measure how much CO2 youre injecting into your reactor. Quote Link to comment Share on other sites More sharing options...
Juiceman Posted July 25, 2013 Author Share Posted July 25, 2013 I'm getting there.... Lol. Noob to calcium reactors Quote Link to comment Share on other sites More sharing options...
+brian.srock Posted July 25, 2013 Share Posted July 25, 2013 +1 to manifold. Quote Link to comment Share on other sites More sharing options...
Juiceman Posted July 25, 2013 Author Share Posted July 25, 2013 Cool, Thanks guys! Quote Link to comment Share on other sites More sharing options...
(Bio)³ Posted July 25, 2013 Share Posted July 25, 2013 Manifold. You built it for these tyoe if things... Sent from my Samsung Galaxy S4 1 Quote Link to comment Share on other sites More sharing options...
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