Venoryk Posted August 19, 2021 Share Posted August 19, 2021 Water Parameters: pH - 7.4 Nitrates - 5ppm Hardness - 180ppm Nitrite - 0ppm Ammonia - 0ppm KH/Buffer - 180ppm Water Temperature - 78 Various oscars, 2 spotted Raphael catfins, banjo catfish, and a spotted pictus catfish in a 40 gallon quarantine tank with a 90 gallon rated HOB... treated with the trinity when they got added into the tank. Tank had been quick cycled taking media and decor from an established tank and tested daily for the first 2 weeks. In quarantine for about a month and was in the process of getting the permanent tanks set up to move them in the next 2 weeks. Went to look at them on my lunch break and everything was fine, no signs of distress, signs of any aggression, or illness. 3 hours later, get off work and go to take my stepson to work and 4 previously, seemingly healthy fish are laying dead in the bottom of the tank. Immediately move all fish to a second established quarantine tank and test the water parameters giving the results listed above... over the next few hours the fish start sinking to the bottom of the tank and swimming erratically in short bursts before sinking again and within 30 minutes of showing any signs they are dead. All 4 catfish appear to be unphased, no signs of anything after 3 days having passed since all of the oscars died. Completely at a loss here, none of my other tanks have been affected and are on the same water change cycle and upkeep. Help me make sense of this tragedy?! 3 Link to comment Share on other sites More sharing options...
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