Mar 1, 2012 #1 S Shutterbug Aquarium Advice Newbie Joined Feb 26, 2012 Messages 9 This started appearing in my daughters tank on the sand it looks purple with black hairy stuff on the rocks it is long black hairy looking, does anyone know what it is and how we get rid of it????
This started appearing in my daughters tank on the sand it looks purple with black hairy stuff on the rocks it is long black hairy looking, does anyone know what it is and how we get rid of it????
Mar 1, 2012 #2 mr_X Aquarium Advice Addict Joined Apr 27, 2008 Messages 17,895 Location Fairless Hills, Pa. Cyanobacteria. Water changes, vacuuming out what you can with each change, and cutting back on feeding. It's from excess nutrients.
Cyanobacteria. Water changes, vacuuming out what you can with each change, and cutting back on feeding. It's from excess nutrients.