Quote:
Originally posted by capn_hylinur
I always thought this--but was corrected so many times by others when I first joined RC that I started saying it was mechanical instead of chemical
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i wonder if some of the confusion is around the difference between mechanical(chemical) and biological(live rock)
Alot of reefers state that the only mechanical filtration you need is a protein skimmer and the only biological filtration needed is live rock/sand bed.
In this way they are lumping together filter socks, canisters, hobs, etc etc with protein skimmers, not focusing in on the differences in the processes that these use