CaRx for nano ?

[nguyenle]

I have setup SPS tank for 20 gallon. ALL IN ONE tank.
Can i run calcium reactor on small tank like that ?
I worry about Ph will be my issue. But did anyone try it and how is result.
Thank

 

[aresangel]

With that small of a tank water changes regularly should replenish the calcium and alkalinity.

Just stay on schedule. A 2.5-5 gallons water change weekly will keep a lot of sps happy.

I would be more worried about salinity swings and evaporate salinity swings for sps.




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[afboundguy]

I agree with regular water changes... I have a 25ish (at least I think that's the size) and I just do water changes and my SPS have been growing quite well... If you go super crazy with SPS I'd suggest a 2 part dosing system over a CA reactor... Much cheaper to do a setup and takes up less space...

Or if you want to go even cheaper if you already have a controller do kalkwasser for a top off just have your controller monitor for pH and have a second normal water top off if the pH gets too high...