danilada Posted December 6, 2007 Report Share Posted December 6, 2007 I know these are a hardy fish, but do also die easy. Over the last 3-4 days about a dozen has died, inlcluding 1 baby bristle. I added a few baby bristles the other day from Tsarmina (but they are only being housed till my sister sorts herself) also a baby discus 4-5cm was added from mums tank only for a day. I also did a 80% water change last weekend. Which do you think has triggered the deaths? No signs of foul play or diseases either, although 1 male had a chunk of tail missing when I found him :-? Quote Link to comment Share on other sites More sharing options...
SpidersWeb Posted December 6, 2007 Report Share Posted December 6, 2007 Doing large water changes like that can cause problems with the filter bacteria. Not sure if that's what did it, but I'd put money on your tank has had a nitrite spike. Quote Link to comment Share on other sites More sharing options...
danilada Posted December 6, 2007 Author Report Share Posted December 6, 2007 So how do I fix that now then? Quote Link to comment Share on other sites More sharing options...
danilada Posted December 6, 2007 Author Report Share Posted December 6, 2007 BTW I didn't wash the filter if that helps? Its also only a 70L tank Quote Link to comment Share on other sites More sharing options...
SpidersWeb Posted December 6, 2007 Report Share Posted December 6, 2007 It will sort itself out. Partial (30%ish) water changes might be in order if there is valuable fish in there. Just need to identify what caused it. Possibly the 80% water change, or if you'd cleaned your filters recently or if a filter had blocked and stopped etc Really want to get a kit and test for nitrite, its the only sure fire way of knowing whats going on in the tank. From my personal experience I've found the bacteria that does the nitrite to nitrate conversion the easiest to kill, and its normally nitrite that is the silent killer. Fish will gasp for air with ammonia poisoning, with nitrite they just seem to die quickly with no sign of disease. Quote Link to comment Share on other sites More sharing options...
danilada Posted December 6, 2007 Author Report Share Posted December 6, 2007 Oh, I feel so mean! But there tank was so grubby! Quote Link to comment Share on other sites More sharing options...
SpidersWeb Posted December 6, 2007 Report Share Posted December 6, 2007 lol it happens It's better to do lots of little cleans than huge ones. Gravel vacs + bristlenose = the key I reckon. Let me know if you need bristlenose, I've got a huge pile of GBAs. Quote Link to comment Share on other sites More sharing options...
Barrie Posted December 6, 2007 Report Share Posted December 6, 2007 add a bit of cycle or similar will often start the process to better water off Quote Link to comment Share on other sites More sharing options...
danilada Posted December 6, 2007 Author Report Share Posted December 6, 2007 Thanks guys, have done a 30% water change, filter hasn't been cleaned nor is it clogged, I guess it was the 80% clean, will keep you posted tomorrow. Quote Link to comment Share on other sites More sharing options...
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