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mag123

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At the end of a fishless cycle is the reason of a large water change to remove the nitrates or for another reason.
Its just that my tank has substrate in it to buffer up to 8.2 and this takes a day or so and was wondering if after the water change i can add small amounts of ammonia to keep the bacteria going while the ph rises .
Also if thats possible will do big water change one weekend and add the fish the next.
 
If it only takes a day to get the pH back up to 8.2 - you can just skip adding the ammonia. The bacteria will not die off in a day. But, yes, the point of the big water change is to get nitrates down as low as possible. What type of fish are you planning that require 8.2?
 
Yes, a 100% water change is done to get rid of the nitrates.

I dont believe you will get any significant bacteira loss in the filter at 24-48hrs but im sure one of the experts will advise.
If you are talking one weekend to the next, then that may be different.

It should be fine for you to add the fish if you are only waiting a day.

If dose ammonia then you have to make sure there is none present when you add the fish.
 
will be keeping african cichlids ,have just never done fishless cycle before. ph ok for partial change of around 20 % only drops a slight bit tested with on litre of tank water but large change will take time.
 
Dont fret over PH its not going to kill your fish if you introduce them & then it alters in the next 24 hours.

My pH bounces all over the shop when I change water. It goes in at 7.5 then rises to 8.2, then settles to 8 & it does this every time I change the water & my fish are fine.
 
If i were you i would just do a large change and then wait a day before the fish go in.
 
mag123 said:
At the end of a fishless cycle is the reason of a large water change to remove the nitrates or for another reason.
Its just that my tank has substrate in it to buffer up to 8.2 and this takes a day or so and was wondering if after the water change i can add small amounts of ammonia to keep the bacteria going while the ph rises .
Also if thats possible will do big water change one weekend and add the fish the next.
Click to expand...

Personally, I would do a 100% water change the day before you get the fish and then dose a little bit of ammonia. Before putting the fish in, I would then ensure the ammonia is at 0ppm. :)
 
thanks i think i will do 100% change then add up to 2ppm that will be well clear buy next morn then test and add fish in the afternoon
 
Remember to post some photos once you've got your beauties! :good:
 
]this is it before fish have two more pices of rock that might go in
 

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Is the image on the right with a black background or is it just a random effect of the camera.

The one on the left looks a bit boring, but the one on the right looks amazing with the dark surroundings! :hyper:
 
it is dark blue and looks more like one on the right but for some reason with lights off on tank and flash on camera it goes all bright
 
Oh good, the one on the left doesn't compliment it as much as the other. I can't wait to see it with some fish in! :hyper:
 
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