Originally Posted by AbsoluteRanchu

One suggestion about the number of BBRs, you should be mindful of the space that you keep the fish. Dapphnia will generate a lot of fine particle waste in the water, and the more fish you have together, the faster that the water condition will deteriorate. A good thing to remember is that the fewer the fish that you keep, the better it is for the fish. This is true for all size of fish.