Originally Posted by ccbeauch
I just bought one last week. It turned yellow very quickly. I think it was doing its job of getting the tanis out of the water (or what ever the tea colored stuff is). I was wondering if anyone knows how to properly regenerate it. I know it says so on the package and all but just wanted to double check before I put something soaked in bleach into my discus tank
Soak it in the bleach and water solution as stated in the directions on the package, rinse it several times, add a generous amount Seachem Prime, then rinse until the smell is gone. I've regenerated it with just straight bleach before with no problems.