03-20-2010, 02:23 AM
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Originally Posted by sailfin molly
Thank you everyone. With the multitude of information on this site, I'm no longer sure that my fish had columnaris (I probably should have came here first!) But this stuff always seems to happen in the middle of the night when i have no access to medicine other than what I have on hand. I tried a salt bath and then put a bit of melafix in their isolation tank, but the sick mollies died anyway. My swordtails are still alive and don't appear sick, but I'm not sure how long that'll last at the rate things have been going.
I think I'm going to give up on this fishkeeping thing, because I don't know what to do anymore and I hate to see them die when it's my fault..It seems like they are having the same problem as when my other fish from a few months ago died..They just inexplicably become sick and die..I've never seen any sign of outward physical problems other than last night where I was sure I saw something on one of my mollies fins. It's obviously something I'm doing, but I don't know what it is and no matter what advice I get, it doesn't seem to save my fish. :( And I don't think it's my water (in general) because I have two betta fish as well and they are happy as clams.
Do you have a test kit? perhaps fish store would test the water for you if you brought them a sample. Water for livebearer's should be hard and alkaline with pH between 7.5 and 8.0. They do poorly in soft water.Water should test zero for ammonia and nitrites,and nitrates should be no higher than 20 ppm IMO.Water changes should be performed once a week at 25 to 30 percent and replaced with fresh water that is close to same temp of tank and that has been treated with proper dechlorinator. .
Might also consider that fish may be sick when purchased and maybe look for another source if fishes that have died, came from same place.
Temperature for mollies should be between 80 and 84 degrees F . IMO. Swordtails however,,would do better in lower temps with 75 to 77 degrees being comfortable for them along with platy's. Mollys and swordtails need at least twenty gal tank for they are active swimmers especially the swordtails.
Livebearer's are largely herbivores, and need vegetable matter and or spirulina flake for staple portion of their diet.
I might Review water parameters , and see if perhaps someting is needed to improve their chances.