phoebe1988 Posted September 23, 2020 Share Posted September 23, 2020 (edited) Hi there, I recently upgraded my aquarium to a 50 gallon for my existing butterfly telescope with an external filter so I could get him some friends and keep him separate from the invertebrates in the original tank for ease of using medications. I did a fishless cycle of the tank using some bio-media from my existing tank and by adding plants to the aquarium + nite-out and I have been testing with an API kit. Before adding my telescope the levels were 0 for ammonia and nitrite and 10 for nitrate. I added my fish and a few days later I was still reading zero ammonia and nitrite for several readings. After adding two more goldfish (a ranchu and an oranda) the tank was initially cycling fine but a couple of days later I got an ammonia spike of 1.0ppm, 0 nitrite and 10-20 nitrates before I could dose the new fish with prazi or salt as a precaution. (I don't have access to a quarantine tank.) I have been doing daily tests with 50-60% water changes using Seachem Prime to bind the ammonia. I also have not fed the fish to try and get it under control and have checked for any rotting plants. After 2-3d the ammonia decreased to 0.25ppm but there is still no nitrite??? Nitrates have continually been between 10-20 before water changes. I felt bad for the fish and gave them a really small amount of food, checked the ammonia today and it's increased to 0.5ppm, still no nitrite. Meanwhile some of the fish have been rubbing on the sand and I have noticed some red veins visible in the fins. Ideally I'd like to remove the plants and do a salt treatment but I'm worried this could set back the tank cycling even further. I've dosed them with praziquantel this evening and added an airstone but I'm just not 100% sure what to do next....any suggestions would be highly welcome! Edited September 23, 2020 by phoebe1988 Link to comment Share on other sites More sharing options...
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