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I've had a 29 gallon tank set up since about thanksgiving with various fish such as zebra loaches, corys, ottos, 1 bristlenosed cat, and several baby mollies and swordtails. The tank is well planted and was getting pressuried co2 about 2 bps. Saturday I moved out most of the babies and got 20 rumynosed tetras. They looked good and quickly colored up nicely and seemed fine. Monday
I found three dead, tuesday about 5 more died and this morning I'm down to about 5. None showed any signs of distress until about 1/2 hour before dying they would swim slowly around very irratic and end up at the bottom on their back unable to move. None of the other fish in the tank seems effected. The tetras were acclimated to the water very slowly using the drip method and all seemed fine up till their death. I expect the last five to be dead soon. Could it have been caused by them not being used to co2? I cut it off last night hoping to save the last five. Any ideas what could be the problem with them? They show no outward signs of disease.
I found three dead, tuesday about 5 more died and this morning I'm down to about 5. None showed any signs of distress until about 1/2 hour before dying they would swim slowly around very irratic and end up at the bottom on their back unable to move. None of the other fish in the tank seems effected. The tetras were acclimated to the water very slowly using the drip method and all seemed fine up till their death. I expect the last five to be dead soon. Could it have been caused by them not being used to co2? I cut it off last night hoping to save the last five. Any ideas what could be the problem with them? They show no outward signs of disease.