Additives that actually help corals.

[spit.fire]

Originally Posted by kien

you wanna talk about old school? I'm still running metal halides I know, some of you young pups are probably like, WTF is a metal halide?!

Anyway, further on the topic of additives. I myself have steered away from anything that I didn't know what it did for the tank. A lot of bottles have very vague descriptions of their purpose and sometimes contents even.

That's nothing, the lfs out here still runs under gavel filters in all his fresh and salt tanks