Fish Dying - Ammonia Poisoning :(

[richgobey]

Hi

I have a 190L corner tank with a mixed community including various tetras, neons, silver sharks, rosy barbs, rams, guppies (who get on fine with everyone!) and danios... there were more!

The temperature is 24 deg C (74F) and recent tests indicate that Nitrite, Nitrate are both fine. The water hardness is high but there is very little that can be done as this area is bad for that. pH is a little over 7 and the ammonia level was .25ppm but has come down- this is the main reason I have attributed to fish death. The tank was recently moved and that probably had a bad affect on the bateria colonies so the filter is not as effective as it was. It has now been in place for just over 3 weeks so hopefully it is more established.

Since the bulk of the deaths and after the high ammonia reading, I have done a 60% water change, added extra stress-zyme, ammo-lock and reduced feeding and am every more vigilant on removing dead plant stuff. Despite this I am still coming down in the morning to at least one dead fish (and home to one after work).

Does anyone have any other advice as to what else I can do or is it just a waiting game to let the tank re-establish itself?

Many thanks in advance for any help offered,

Rich

 

[shang hi]

pointer here, when you test after using Amo-lock you will still get a reading of ammonia, amo-lock just converst toxic ammonia into a lesstoxic type but it reads the same as ammonia.
to reduse fish deaths reduce feeding to a minimum maby half your feeding. do regular water changes of 25% to help lower the ammonia levels. i would say 25% every other day water change to get onn top of the ammonia problem and adding stress zyme wont do much but its better than nothing.

when you say youur nitrate and nitrite are good what do you mean (how many PPM)
same with GH (degrees or PPM)
and KH too.

 

[Spooky76]

As Shang Hi said really, the ammonia level is too high. I wouldnt use ammo lock, whats the point ?
You need your filter to cycle. I would do as said 25% water change, wait an hour and re-check it. If ammonia is still high do another and keep going until its 0. Anything else is poisonous to them.