Aug 7, 2005 #1 P pufferman Aquarium Advice Freak Joined Jul 19, 2003 Messages 333 Location San Jose California USA does this work. I would think so as it harbors anaerobic bacteria.
Aug 7, 2005 #2 J juskeepswiming Aquarium Advice Activist Joined Apr 15, 2005 Messages 164 Location stockton CA yes it does, but it takes awhile for it to really get going.
Aug 7, 2005 #3 J Jermz79 Aquarium Advice Addict Joined Apr 6, 2005 Messages 1,365 Location Spring Hill, FL can someone provide a link to one of these? I could use one for my 29!