Setup for Ca Reactor -

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Dec 07, 2013
Derek Bower wrote
I'm second owner to the Rx4 - need some help since I have never done a Ca reactor before. I have the media, the Rx4 and all the tubing, the solenoid/CO2 canister, and an APEX -

The tank is 90 gal, apex with 2 ph probe, 100lb of aged live rock, 2 radion pro, 2 mp40, sump, SRO 3000Int SSS, and do 10% WC of Red sea coral pro weekly. Have some acropora, birdsnest, stylo, and monti in tank already - need to setup something to balance the Ca/Alk/Mg demand.

Question would be what do I need to establish a drip rate from the reactor (in other words I get the point of the reactor but how do i feed it tank water? - Am I missing a second pump?)
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8 Answers
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Dec 08, 2013
Carlos agent wrote
Yes, you will need to figure out a way to push water into the reactor. Some people tap the return line to do that and some just add another pump to the sump that pushes water right into the reactor and then returns it to the sump in the form of a drip.

Regards,

Carlos Chacon
CoralVue
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Dec 08, 2013
Derek Bower wrote
what flow volume would I be needing? it is a 90 gal aquarium that will eventually be SPS dominated - current a mix of small frags - though the coraline algae is starting to accumulate and the skimmer sucks out some too I assume.
You think a little rio would work or would I need something like a sicce 0.5?
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Dec 09, 2013
Carlos agent wrote
You do not need a big pump to feed the reactor. This is because you will only be outputting a slow drip back into your tank or sump. A water blaster 1000 would suffice.

Regards,

Carlos Chacon
CoralVue
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Dec 09, 2013
Derek Bower wrote
250gph seems like overkill if all I want is a slow drip - is this the recommended pump for this unit?
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Dec 09, 2013
Carlos agent wrote
You need to put a restrictor on the output end so you can dial down the output.
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Dec 09, 2013
Derek Bower wrote
So really any pump would work. and I would decrease pressure before the reactor, not on the effluent side right? -so as not to build pressure in the reactor....
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Dec 09, 2013
Carlos agent wrote
Pressure on the reactor would be fine, they are made for that. Lots of people don't even use a pump to feed the reactor, they just tap the return (to tank) line to feed the reactor. Most small pumps would work.

You would add some type of small valve at the output line and there you would dial it so that it drips the right amount of water from the reactor. Dialing it before the pump really would not work. It has to be dialed at the other end (output end) just before it exists back into your tank/sump.

Regards,

Carlos Chacon
CoralVue
Dec 23, 2013
System wrote
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