Hi, some reefers don't, i use it 24/7 i have some softies, lps's and some stonies lots of chemical warfare going on, i've been using carbon since day one thats eight years ago, good luck.
I agree water change and run carbon thats all you can do, i think you'll be ok, i have a cuke he's brown the atlantic kind i belive he's not toxic, good luck let us know.