Recent content by willg

Every day I now have a green film that I have to scrape off my aquarium walls. It comes off more or less easily and it is a relatively even light green shade throughout. Are these diatoms or something else and is there any solution other than scrubbing daily?

..sounds like out of a horror movie. My LR has been cycled for 6 months and my 90 gallon tank is also inhabited by two cleaner shrimp, five feather dusters, a yellow tang, a royal gramma, two 1" flat greenish crabs (emerald?), a few hermits, a flame angel and, just a few days old, a zoo polyp...