The Puffer Forum

Well it has finally happened, my sweet, little, inquisitive red chromide has become a savage bully overnight. I have a 40B brackish community tank. I just went down to feed them and I found the very pregnant black molly in the sand with the chromide sadistically nipping at her fins. At the moment they are both in plastic bags floating in the tank. I think the molly will be okay with some treatment. My dilemma is where to treat her. I have a 15 gallon that I've been breeding snails in. The water quality is great, could I remove the snails, add a small amount of instant ocean along with some filter media from one of my brackish tanks and let her recovery in there? Or should I treat her in the 40 and put the chromide in the 15? The other residents of the 40 are mellow and I don't think they would bother her. But the chromide needs to be removed, he was already looking for another victim.I have an empty 10 I could set up if necessary. But it would probably be best to utilize a tank that is already established. Any advice would be great.

Adding salt to the 15 might wreck the biofilter anyway. How much salt is she used to? Raising the SG more than .002 will crash it. Mollies can take a big SG swing, though, so with a bit of acclimation, .002 would probably be fine.