I have been using Seachem Purigen in the filter section of my Fluval Spec V aquarium for a few months now. I recently pulled up the filter material and the Purigen has now turned a nice, dark brown patina. Their instructions have the following to say about when to clean: “Exhaustion is indicated by a pronounced discoloration of the beads to dark brown or black.” While not yet black, I couldn’t help myself
Everyone manages the maintenance and cleaning of their aquarium differently, but I thought it would be helpful to go over the basics of maintaining my Fluval Spec V. This should apply to the smaller Spec III as well.
The timeframes are a rough estimate. Life gets in the way and occasionally tasks are neglected a day or four, but this is