I know someone that has an SPS nano tank (10 gallons with nothing but SPS). He asked me if he should get a mini calc reactor. I use dosing pumps in my tank, so I wasn't able to answer his question. But, I was bored and started doing some reading on mini calcium reactors, and now I'm curious.
What is your opinion?
Please, explain why you think one is better than the other.
What is your opinion?
Please, explain why you think one is better than the other.