red fin shark going weird

tested water ok ammonia o nitrite o nitrate o ph 7-6 alright my water soft one side only got it useing anti internal bacteria see wot happens might whack off rocks or been fighting all other fish alrite read in care sheet sometimes they do that maybe he thinks hes vampire lol.

Is this tank planted? What are you using to test?
 
my red fin shark died

:cry:just let u know red fin shark died his gills started healing then woke up this morning floating at the top going to miss him well thats life.
 
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