Jutney Posted July 9, 2012 Report Share Posted July 9, 2012 I have a 160 litre community tank. I normally have no trouble keeping my fish alive. I have an eclectic mix of angels, gourami, various tetra, golden barbs and harlequins. Each day now for the past week, I have an average of 2-3 fish die. Normally they are neons but I recently lost 5 conchu tetras, a couple of golden barbs and a harlequin. Nothing has changed about my tank recently except the addition of a brand new and more effective filter. I do regular water changes and my PH levels are pretty normal. Any feedback/ideas/recommendations would be gratefully received! Quote Link to comment Share on other sites More sharing options...
Dachende Posted July 9, 2012 Report Share Posted July 9, 2012 I'd say it sounds like perhaps your new filter has been the culprit.. perhaps an ammonia spike due to the removal of the previous beneficial bacteria colony which was inside the old filter. Did you use any old filter media from your other filter, in your new one ? Quote Link to comment Share on other sites More sharing options...
DennisP Posted July 9, 2012 Report Share Posted July 9, 2012 Angels like to eat small fish. Could it be that? Or are you finding corpses? Quote Link to comment Share on other sites More sharing options...
Godly3vil Posted July 9, 2012 Report Share Posted July 9, 2012 I'd say it sounds like perhaps your new filter has been the culprit.. perhaps an ammonia spike due to the removal of the previous beneficial bacteria colony which was inside the old filter. Did you use any old filter media from your other filter, in your new one ? +1, I would put money on it being this. Quote Link to comment Share on other sites More sharing options...
F15hguy Posted July 10, 2012 Report Share Posted July 10, 2012 +1, I would put money on it being this. +1 again, take some water into your lfs and get the ammonia nitrite and nitrate tested Quote Link to comment Share on other sites More sharing options...
randomsam1001 Posted December 21, 2012 Report Share Posted December 21, 2012 +1, I would put money on it being this. +1 Quote Link to comment Share on other sites More sharing options...
disgustipated Posted December 22, 2012 Report Share Posted December 22, 2012 what happens to them / how do they act before they die? Quote Link to comment Share on other sites More sharing options...
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