I added a Marineland Penguin filter that runs a bio-wheel and two floss and carbon cartridges of media. I'm not sure at what point I added it but I think it was right around the time of the first episode of milky white/green water. The second time around, I added a piece of a carbon pad to the outflow of the skimmer and another piece into the filter beside the media.
Are you saying that the ADDITION of carbon is my problem? Forgive me, but after 5 days with one grandchild and 2 days with two, my brain is mushy and I had trouble following the article. So, if I remove the carbon, what do I use to counter the green water? Again, forgive me, but is it saying to add bacteria or is the algae the bacteria? And after several days in the dark and I had clear water for several days, why, after adding 2 fish, did it turn green again? Adding the fish should not cause this, but it turned green again within 48 hours. And, I'm not sure, but I may have lost another fish.