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fcmf fcmf
  • Coldwater Adviser
  • Coldwater Adviser
  • Posted on: Today 13:47
Re: Dwarf puffer? #1
A dwarf puffer ought to be kept in a specialist/species-only tank. While, rarely, some individuals *may* be ok with other fish (usually otocinclus), it depends on the personality of the individual puffer, so at the very least you'd need a ready-made back-up plan of its own tank if things didn't work out. Sometimes, with fish that ought to be kept in a species-only tank but where people wish to take a risk, the situation starts off ok but can suddenly change. If you or someone else is not around all day, every day with the tank in line of sight and to intervene if the situation suddenly goes awry (and NB this can happen overnight), then taking a risk like this is absolutely not a course of action I'd recommend - and especially with a small tank like this - or subject my existing inhabitants to.

If you're concerned about too many cherry shrimp, have you thought about giving them away or selling them? Your LFS may be interested, and Aquarist Classifieds (if you're UK-based or an equivalent if not) is another option.

If you do decide to keep a dwarf puffer in a *separate* tank, then I'd recommend the advice in the following which ought to answer Qs 2 and 3 (and I'd imagine that Q4 can only be answered by testing the situation out for yourself if you proceed with this option, as individual fish have varying levels of appetite):
https://www.fishkeeping.co.uk/modules/ ... sheet.php?caresheetID=181
https://seriouslyfish.com/species/Carinotetraodon-travancoricus/
https://www.practicalfishkeeping.co.uk ... to-keep-dwarf-puffer-fish
https://www.practicalfishkeeping.co.uk ... how-to-keep-dwarf-puffers

Hope that helps.


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: Today 12:36
Re: Fishless cycle is just not working, guidance needed.... #2
That is disappointing I must say though Congo terra and lemon tetra do appeal to me so I’ll see what’s available. I’ll keep an eye on nitrates as the tank beds in and see what happens.

Thanks again.


Fishlady Fishlady
  • Tropical Moderator
  • Tropical Moderator
  • Posted on: Today 11:42
Re: Fishless cycle is just not working, guidance needed.... #3
Hard water isn't suitable for cardinals or for most tetras and they will be under permanent osmotic stress in alkaline conditions, leading to increased susceptibility to disease, liver and kidney problems and a shorter lifespan. However, there are a few tetras that can deal with harder water so you may want to consider these:

X-ray tetra - Pristella maxillaris
Congo tetra - Phenamogrammus interruptus
Black widow tetra - Gymnocorymbus ternetzi
False penguin tetra - Thayeria boehlkei
Red - eye tetra - Moenkhausia sanctaefilomenae
Glass bloodfin tetra - Prionobrama filigera
Lemon tetra - Hyphessobrycon pulchripinnis

Regarding nitrate remover: it shouldn't be necessary to use this kind of product. With the right stock level and a weekly 25-30% water change nitrate should be well-controlled.


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: Today 10:53
Re: Fishless cycle is just not working, guidance needed.... #4
Quote:

Fishlady wrote:
Yes, that will be fine. Bacteria can survive a couple of days in a tank with the filter running, and several hours without running water. Congratulations, and enjoy your fish


Thanks for all your help with this it feels like it's taken months and months!

I do have a couple more questions I will throw your way though.

At what point do I begin using the nitrate remover? The bottle states to use an initial dosage for four weeks but do I aim to start using it once nitrates reach a specific level?

Thinking about the livestock I will have in there has proved tough because our water here is hard but I like tetras. I know a lot of tropical fish are tank bred nowadays and cardinals were the last fish I kept along with platy and I really liked the tetra. Are they suited long term to the water and, if so, what makes a suitable tank mate for them other than more cardinal tetra?

Thanks.


Fishlady Fishlady
  • Tropical Moderator
  • Tropical Moderator
  • Posted on: Today 9:16
Re: Fishless cycle is just not working, guidance needed.... #5
Yes, that will be fine. Bacteria can survive a couple of days in a tank with the filter running, and several hours without running water. Congratulations, and enjoy your fish


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: Today 8:48
Re: Fishless cycle is just not working, guidance needed.... #6
Ok test results this morning are ammonia 0, nitrite 0, nitrate 160ppm.

Rejoice!

I’ve done a water change and have redosed the tank with ammonia, which I will have to keep doing until Wednesday because that’s the earliest I can get the tank stocked.

How long can the bacteria survive without ammonia? Thinking about the logistics of it all; I’ll be getting fish roughly Wednesday afternoon but the last dose of ammonia will be going in Tuesday evening so will that suffice?


Fishlady Fishlady
  • Tropical Moderator
  • Tropical Moderator
  • Posted on: Yesterday 21:51
Re: Fishless cycle is just not working, guidance needed.... #7
If you've recently redosed it's to be expected. check again after 12 hours.


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: Yesterday 19:17
Re: Fishless cycle is just not working, guidance needed.... #8
I’ve just done a nitrite test and that is reading as 0.25ppm, but I’ve not long added another dose of ammonia so what does that mean?


Fishlady Fishlady
  • Tropical Moderator
  • Tropical Moderator
  • Posted on: Yesterday 19:00
Re: Fishless cycle is just not working, guidance needed.... #9
If nitrite is also 0 then yes, at last!


Fishyfishfish Fishyfishfish
  • Quite a regular
  • Quite a regular
  • Posted on: Yesterday 17:47
Re: Fishless cycle is just not working, guidance needed.... #10
I dosed ammonia to around 3ppm this morning at 7 am and I’ve just tested ammonia now and it’s reading as 0ppm, does that mean she is finally cycled?!



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