April 23, 2007
We have two fish tanks, one cold water, one tropical. We moved to a new flat a couple of weeks ago, I tried to keep as much of the water in bags with the fish etc, then topped up the tank with tap water (some conditioner etc) and everything seemed fine. I couldn't find my water tester in the boxes, but as I said they all seemed happy, eating and swimming a lot.
I bought a new goldfish for the cold water tank which was pretty lively, but died within a few hours. All of a sudden some of the other fish started lying at the bottom of the tank, I went out the next day to get a tester and some instant ammonia remover, but by the time I got home they were all dead :/
The Tropical tank seems fine, but I've tested the coldwater tank and it looks toxic as hell
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What is the best thing to do before setting the tank up again?
April 23, 2007
I've been speaking to Martyn elsewhere about this.
It's one of two options really. Either adding that goldfish has tipped the bioload over the edge of what the filter can deal with or the goldfish had some kind of disease/illness that killed it and the other fishes and their combined corpses caused the ammonia spike.
Probably the latter. Everything happens for a reason though, he's going to setup another tropical tank instead /biggrin.gif" style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" />
Onwards and upwards sir!
February 8, 2008
sorry to hear the bad news, but i have to agree it was probably a disease brought in with the gold fish and the high reading from the bodies in the tank, hence when removed, the level droped back to safe.
best thing to do is clear the tank, sterilise everything and set up from new. and then mature the tank for 2-3 weeks minimum to load the filter.
You'll be able to use filter squeezings from the existing tropical tank to seed the filter for the former coldwater one. Speeds up the cycling process /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />
March 22, 2007
I think another question to consider here is how long the filters were switched off when you moved? And did you clean them out or anything before switching back on?
The filter bacteria starts to die off soon after the filters go off and after about six hours or so the filter will be pretty much dead. Whether dead, or merely impaired, you've then added another fish which has increased the bioload, hence the sky-high ammonia.
I think it is more likely a filter / water quality problem that killed off the fish, especially within such a short timescale and to wipe out the whole tank.
October 7, 2009
March 22, 2007
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