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Old 01/31/2020, 09:18 PM   #1
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Join Date: Aug 2004
Location: Allentown, PA
Posts: 172
Yellow tang in qt with red blotch over eye

Hi there I have 4 tangs (Cardinal, butterfly, unicorn and a yellow) in qt for 5 weeks now. I ran copper for 2 and and then started prazi. Day 2 of prazi I cone home to find the yellow tang with a pea sized are deep red over the eye. I panicked and did a large water change and threw in carbon thinking she didnít like the prazi. I have been doing religious 20% water changes every other day since introduction. The fish are all separated by egg crate so common water. Filter blows on surface so lots of water movement and air introduction clear across the tank (40 breeder), ammonia badge is perfect and water changes are coming from 500 gallon DT so chemistry is great. Other 3 tangs look great. My question is... is it safe to transfer the other 3 to the DT or should I go back to finishing prazi? Treat all 4 with antibiotics like maracyn2 or just the yellow? She doesnít seem to have much of an appetite but does eat. I feed a very mixed diet, soaking in garlic guard or selecon daily, doesnít really care for nori like the others do. Thanks

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Old 02/01/2020, 01:23 PM   #2
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Join Date: Jan 2012
Location: Vandalia OHIO
Posts: 11,617
Treat with kanamycin or something similar at 50-100mg per liter for 7-10 days. Can be caused by a secondary infection from a parasitic infestation. I would continue to treat the other fish with prazi

Fish are not disposable commodities, but a worthwhile investment that can be maintained and enjoyed for many years, providing one is willing to take the time to understand their requirements and needs

Current Tank Info: 625g, 220g sump, RD3 230w, Vectra L1 on a closed loop, 3 MP60s, MP40. Several QTs
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