debate

Interesting article on how scientists have discovered that one form of bacteria can complete both steps of the nitrification process. Previously, it was thought that it took two types of bacteria. Although the research was conducted by the microbiology department, the bacteria came from...

I'm searching around the YFS site to get in on the group buy and I'm trying to decide which is the best option. I'm looking for something best suited for my mbunas. YFS http://www.yourfishstuff.com/green-supreme/ vs. HBH http://www.yourfishstuff.com/super-soft-spirulina/ The HBH is slightly...