Newbie :)

Well if you definitely have ammonia levels of 5... then it really depends on how big a water change you did and what sorta level you're happy to leave the fish at over night. Like I said, we recommend not letting ammonia or nitrites ever go above 0.25ppm.

So if you could get them down to this and then let the bacteria do the rest, then you can be sure the fish will be safe overnight. :)
 
Big water Change - 95% of water removed, media filter added, advised to use Tetra AquaSafe water dechlorinator, and not the one I was supplied with from Pets at Home.

Tested levels with help of instructions :D

Levels as of 26.1
Ammonia 0.25PPM
Nitrite 0PPM
Nitrate 5.0PPM
pH 7.6
 
Not really... the mature media should've done it's thing by morning and hopefully any damage done to the fish in the past few days is reversible.

Then it's just daily testing for a week or so, water changes when/if neccesary. The next week is a good time to start planning your tank stock long term :)

And then you can start to slowly stock it. :)

One thing I would say is though... danios are super active fish. Personally I really really wouldn't have them in that sized tank. For highly active fish there is a general 'guideline' to allow them at least 10x their body length in tank length. So you're looking around 60cm by that guide. And having kept and seen them myself I wouldn't have them in less than 2.5ft (75cm). I know it sounds silly to say 15cm makes a difference... but it really really does.

Did P@H give you a refund/store credit for the dead fish btw? As technically the fish died as a direct result of advice given instore. So they really should be giving you a refund... Not sure if the law is on your side...But if you explain then I figure it's worth a shot regardless of whether they're required to give you a refund.
 
Not really... the mature media should've done it's thing by morning and hopefully any damage done to the fish in the past few days is reversible.

Then it's just daily testing for a week or so, water changes when/if neccesary. The next week is a good time to start planning your tank stock long term :)

And then you can start to slowly stock it. :)

One thing I would say is though... danios are super active fish. Personally I really really wouldn't have them in that sized tank. For highly active fish there is a general 'guideline' to allow them at least 10x their body length in tank length. So you're looking around 60cm by that guide. And having kept and seen them myself I wouldn't have them in less than 2.5ft (75cm). I know it sounds silly to say 15cm makes a difference... but it really really does.

Did P@H give you a refund/store credit for the dead fish btw? As technically the fish died as a direct result of advice given instore. So they really should be giving you a refund... Not sure if the law is on your side...But if you explain then I figure it's worth a shot regardless of whether they're required to give you a refund.

Fortunatly didnt buy fish from P@H (know from previous experiences; hamsters)- they were from Maidenhead Aquatics instead, and out of a goodwill gesture they credited me £3.50 which I then used against my testing kit :) Didnt even charge me the 50p for testing either :D !! Even the guy was pleased though that I was doing my 'homework' and had understood everything he was telling me, even told him about this site too! :lol:
 
Levels as of 27.1
Ammonia 0.25PPM
Nitrite 0/0.25PPM
Nitrate 5.0PPM
pH 7.6

*Worried about pH its quite high, apparently 7.0 is about average, tested tap water and its pH measured 7.6
Wondering if its all down to it being a 'Hard Water Area'?
 
Those levels are promising in the sense that they haven't increased too much. Hopefully in the next 24/48 hours you'll actually see a reduction.

As for your pH, for most fish 7.6 really isn't that high. I'm in a relatively hard water area... or well it's soft water with a high buffering capacity. So mine is 7.6 and I've had, N. transvestitus, A. macmasteri and Harlequin rasboras all spawn in it. So... happy fish I presume. And they're all recommended for pH 6-6.5 normally.
 
Levels as of 28.1
Ammonia 0.25 PPM
Nitrite 0 PPM
Nitrate 5.0 PPM - but theres a slight more reddy tint to it, especially at the bottom of test tube (photo doesnt show it though)
pH 7.6

2ccy050.jpg


Beginning to think, theres going to be no slight changes, even with mature media filter in - is there anything else you could suggest? Other than maybe sit back and wait for results on wednesday, as it would then be a week since i started testing.
Theres also a cloudy film like streaky surface, wondering what could of caused that too?!
Temp in tank is currently sitting at 29'C
 

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