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Thread: Random otto deaths
03-18-2013, 03:58 PM #11Member Swordtails
- Join Date
- Mar 2013
How frequent are your water changes? I don't have ottos myself, but from this thread, it seems they are sensitive fish. Perhaps they like super-clean water with 0 nitrates. Up the water changes frequency to 25%-50% every other day for the next week and vacuum the substrate thoroughly.