Looking for full calcium reactor setup.

[Earl Karl]

I'm looking for a full calcium reactor setup, reactor with pumps, co2 tank, regulator, solenoid, and ph monitor. Need one for SPS dominant 120 gallon system. Also, im a broke college student, so looking for one that wont destroy my bank acc.

 

[joseserrano]

I have a Tunze 3171 and can grow in a regulator. Lmk