fish waste can also contribute to the nutrients in the water colums, I think the root tabs may also leach nutrients but im not sure on that, nothing to worry about though, cutting the photo period in half really only needs to be temporary, you can slowly raise the time it's on when your problem goes away, and if it comes back then consider keeping it reduced. Correct me if i'm wrong there
Then I saw it. I saw a mom who would die for her son. A man who would kill for his wife. A boy, angry and alone. Laid out in front of him, the bad path. I saw it. And the path was a circle. Round and round. So I changed it.
-Joe (Looper 2012)