On Sep 15, 1:14 pm, "Pszemol" wrote:
"TSJ" wrote in oglegroups.com...
Why use carbon and remove beneficial stuff as well as junk. Carbon in
most cases is not needed, and a water change is more beneficial
overall.

I use carbon to remove discoloration.

What "beneficial stuff" carbon removes in your opinion?

There is mixed ideas with AC./ Lots depends on the type or quality of
the AC as well, but it does do good at removing discoloratin and odor.
I believe and its also been proven that even the b est AC becomes
ineffective in a marine environment in short order, like 1 or two days
depending on disolved organic load...........and its also been proven
that AC also does a great job of removing rtoo much in the way of
biominerals and other useful materials as well, as the unwanted
disolved organics. However with the short life span in a marine
environment, I have my doubts if it will overly remove too much since
its proven it does not last long. Now if your changing out AC every
day or two then yes it can overdo the good with the bad....and yes
there is folks who are obsessed with changing out AC every day or
two.

I assume you do not have a protein skimmer. I personally prefer to
rely on my protein skimmer and water changes and use of RODI water.
Its been years since I even bought any AC. Just my observations.