I think people have to realize that your tank will eventually crash, if it's not the use of carbon or the non use of carbon it will be the faulty float and rolling blackouts, or the kids dumping a full container of something in the tank, or the faulty heater, or the faulty pump, or the bad programming of the controller user, or the tank breaking, or the LEDs burning, or the jealous wife poisoning, or the inexperienced tank sitter, or that special fish or invert that died and polluted the tank or the....
The point is using something purely for long term tank survival is utterly pointless
