Dosing pump or cal reactor

theshaman

Member
Hi Reefcentral! I am in the market for a ghl doser. The stand alone doser I'm looking at is over $400. At this price I'm wondering if I should just spend a little more and get a calcium reactor. I have never used a calcium reactor before so I'm not too sure about getting one.
Which route would you guys go with? Doser or cal reactor?

Thanks


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it depends on your tank.. to me calcium makes sense if tank has really high demand for alk/cal. If your tank's demand is not high enough that your pouring cups and cups of alk/calc i'll stick to dosing pumps. If you get a 4 head dosing pump, you can use the other 2 to dose other stuff... amino.. carbon dosing.. etc.
 
yup totally depends on tank size and demand....

IF you have a smaller tank lets say 50g or less a doser is pretty good.

I use a doser on my nano and works great.... On my old 180 SPS tank i had a 2 chamber CA Rx which barely could keep up with the demand...

So what you got?
 
Thanks for the replies! My tank is a 90 gallons sps dominant tank. My sps frags are now growing and spreading. I'm currently using a cheap bubble magus doser that I don't think is too reliable. That's why I want to upgrade.


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Ive liked my BM doser but am going to run a CARX very soon. You've seen my tank, and now even more over grown. Mixing and refilling 2 part very frequently now. Either way you're gonna be fine IMO.

Joe
 
To setup a CaRx, on the low end, $500 and on the high end $1000+. I finally made the switch over to a CaRx about a year ago and happy I did. If you go with quality equipment, it's usually set and forget for 7 - 8 months. The reason for my switch was that I got tired of mixing solutions

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Last edited:
Ive liked my BM doser but am going to run a CARX very soon. You've seen my tank, and now even more over grown. Mixing and refilling 2 part very frequently now. Either way you're gonna be fine IMO.

Joe



Joe, what kind of cal reactor are you planning on using?


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To setup a CaRx, on the low end, $500 and on the high end $1000+. I finally made the switch over to a CaRx about a year ago and happy I did. If you go with quality equipment, it's usually set and forget for 7 - 8 months. The reason for my switch was that I got tired of mixing solutions

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What cal reactor are you using?


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I don't need a calc reactor at the moment, I'm only dosing around 50ml a day. I have done some research just Incase I eever wanted to go that route and found great reviews on geo reactors


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Dosing pump or cal reactor

For an sps dominant tank, regardless of size, a calcium reactor is the way to go.

I've ran a few different brands over the years, Geo has been my favorite. Extremely simple to use and dial in.
The key to being successful with a calcium reactor is buying the right equipment. Getting a quality dual stage co2 regulator, a needle valve to control effluent, and a way to monitor the ph.
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Aquamaxx C-Tech 1. Great reactor with a small footprint.

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I'm running the same CaRx. It's great. I initially started with just feeding the CaRx using a manifold but after a week or so, I found that I would have to tinker with the flow to get it stable. After a while, I finally bit the bullet and picked up a peristaltic pump. Everything has been stable ever since.


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