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Khopmuts Khopmuts
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  • Posted on: 12/7 8:07
Cardinal tetra eggs #21
I think from another post I have a cardinal full of eggs. How long do fish hold their eggs in the belly before they’ll expel them? She’s huge.

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Beckyfish Beckyfish
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  • Posted on: 12/7 6:36
Re: 80l tank stocking #22
Thank you for your reply.
We did use the old filter media to ensure the bacteria was established.
The advice we were given was that the pump needed to be under the water (so no air flow!)
On the morning of the sad day I plugged in the air stone as they appeared to be gasping for air at the surface and then I did a water test and the levels were all within the usual parameters...
The store who sold us the tank and fish have given us a voucher to replace the fish so I'll restock the tank in phases this time to ensure levels are stable.
How many fish would be the max for this size of aquarium?


Fishlady Fishlady
  • Tropical Moderator
  • Tropical Moderator
  • Posted on: 12/7 5:58
Re: Hair Algae #23
That actually looks more like black brush algae. The most common cause is overstocking and/or inadequate water changes, often combined with too much light. Can you post tank size and a list of stock plus test results for ammonia, nitrite and nitrate, please and how long your lights are on each day?


Fishlady Fishlady
  • Tropical Moderator
  • Tropical Moderator
  • Posted on: 12/7 5:53
Re: 80l tank stocking #24
It's actually very unlikely that a lack of an air pump caused the deaths. Many fishkeepers don't use air pumps at all as the rippling from the filter return is plenty to give good oxygen exchange. As you say you added a lot of fish to the new tank, that is most likely to be the reason for the deaths. Adding too many fish at once causes ammonia and nitrite to spike and poisons fish. Also, did you move over the filter or filter media from the old tank? If you didn't then you had no beneficial bacteria to process fish waste and again, ammonia and nitrite poisoning would be the result.

Now, when it comes to adding new fish the first thing we need to know is whether your water is hard or soft and what the pH is. This is because not all fish like the same type of water - guppies and platys like hard water, tetras like soft water. You can find your water hardness on your supplier's web site if you don't have a gH/kH test kit. For the pH, test a sample of tap water that's been left to stand for 24 hours.


alec alec
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  • Posted on: 12/7 0:00
Hair Algae #25
Hi
I am having a big problem with Hair Algae in my fish tank. It is growing all over the rock backscenes and along the edges of the Amazon sword plants. The tank is a Juwel Trigon 190ltr corner tank with a Juwel Bio Flo 3 filter. I have had the tank about 6 years, not added any fish or plants for a very long time. I noticed this a couple of months ago and did get some medication from my local fish shop for it but this has not worked.
I have done a few water changes in the last few weeks each of around 35% of the tank. Can anyone give me any help or advice on how to try and remove this algae, can you actually remove it ?

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khalid khalid
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  • Posted on: 11/7 21:15
Re: A Pond of Problems - Help needed #26
Hi

I bought some test strips and they showed the ammonia levels were too high so I’ve done a partial water change and will look into methods of reducing it going forward.

Thanks for all the help.


Beckyfish Beckyfish
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  • Posted on: 11/7 20:45
80l tank stocking #27
Hi guys!
I've kept fish in a small 35l tank for about 15/18m and recently upgraded to a 80l aquaoak that I love!
We had poor advice at the store and as a result lost a lot of fish we bought for it (they advised no need for air stone and so lack of oxygen killed a litt of them! 😪). We have been given a credit note to replace them now I've resolved the problem so what would you get?
Currently only 2 platties & 4 guppies in thrre...
I wasn't too replace the tetras I had BUT... How many is too many? I don't want to over stock the task as these surviving fish are all happy and healthy now there is an air stone in there!
Thanks in advance!


Khopmuts Khopmuts
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  • Posted on: 11/7 20:25
Re: Cardinal tetra bloated? #28
Hi thanks for replying. It’s definitely crept up over months. So maybe over feeding but she didn’t go for any daphnia last night (gave in case she was constipated or the pea I put in). Spoke to a guy at work today who thinks she’s egg bound and suggest salt bath. So I got some Epsom salts and gave her a 12 minute bath and put her back. Not going to feed tonight though just in case it helps. Although the guy said if she is egg bound and can’t expel them or reabsorb them then it’ll prob kill her eventually. Poor thing. She copes with salt bath well tho.

Thanks again for advice. Really appreciate it.


Amine Amine
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  • Posted on: 11/7 20:21
Missing Male Orange Swordtail fish #29
Hello Everybody

I have a strange situation, im new at this hobby i have got a new tank 60L run it for a week with internal filter that came with it as starter kit, after that i bought
- 7 Danois (5 zebras and 2 leopard)
- 2 Fancy male Guppies
- 2 painted Platties (male and femal)
- 3 Orange Swordtail (2 Female and 1 male)
I think im experiencing a new tank syndrome but not an issue im dealing with it, i went and i bought a new filter (Seachwm tidal 55) its working like magic.

Two nights ago i couldn’t find the male swordtail fish, i have looker every where in the tank removed decorations and nothing was found also checked around the tank if he jumped (i keep the led open) nothing was found.. he just disappeared, i can’t process this matter its bothering me

Has anyone experienced something like this ?!
Any suggestions or ideas what happened or where he could be lying dead ?!

Thanks in advance

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fcmf fcmf
  • Coldwater Adviser
  • Coldwater Adviser
  • Posted on: 11/7 17:19
Re: Tank stocking advice #30
Glad you successfully completed the tank cycling - presumably, once you'd achieved that, you topped up with ammonia as required (to keep the beneficial bacteria alive), right up until you got fish?

As for whether you could get more fish, could you remind us what your water parameters are for KH and GH, and what your water/utility website states your postcode's water hardness is for CaCO3 and German degrees hardness? That way, we'll be able to advise on which fish's requirements match those of your water. (Neon tetras like soft water; guppies like hard.)

In terms of *numbers* of fish of the size you're referring to, this will at least in part depend on what your nitrates are like. In the meantime, you could take a reading of your tap water to find out what the 'baseline' level of nitrates is (or your water/utility website may state this). [I have the same-sized tank as you and would say that you could increase the number of tetras and possibly add some small cories such as pygmy/habrosus/hastatus but you'd be pushing the stocking capacity to its limits; alternatively you could possibly add another couple of neons and have a shoal of panda cories. Cories need to be kept in larger groups than 3 and any other cories including the albinos (corydoras aeneus) need a larger tank. However, depending on your water hardness, it may be that cories or additional neons may not be suitable.]

Let us know how recently your tank was cycled and dosed with ammonia, what your water hardness is, and your tap water nitrates' level, and we'll advise further on potential additional stock and when to add.



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