4 years ago #1
lin333
Fresh Member
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I have a 10 gallon tank, added fish slowly after making sure the temp was adequate, and Ph levels were OK. Added fish slowly, but all eventually died!! Completely cleaned out tank, used spring water, ensured Ph levels were good after adding an ammonia detoxifier conditioner for a week. Brought a sample to Petco, the water concentration were perfect, and bought 4 more fish as well as an algae eater. The fish are all small mollies-each day one of them died. Fed them small amounts 1x/day, and they eagerly ate. Doing everything right, and now have one molly left plus the algae eater. This has all happened in the course of 6 weeks! Any suggestions because I even name my fish and am losing confidence that a 3rd time will help! Any suggestions???

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4 years ago #2
clonlaracyclone
Gold Member
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Welcome to the forum
Mollies need temp between 75-80 F range is that what your tank is set at?
If you completely cleaned out your tank then you will have restarted your aquarium Nitrogen Cycle Many of us on here have lost fish during and due to the nitrogen cycle that occurs on first starting an aquarium up
The good bacteria needed to control your ammonia, nitrite, nitrate and ph levels will have been destroyed in a full tank clean Not to worry once you understand the nitrogen cycle and overcome it your fish keeping will be plain sailing mostly
Use the search engine at the top of this page to learn about the nitrogen cycle and how to know when it is over

For now you will have need to do 20% daily partial water changes with a good water conditioner to try keep the fish healthy while the Ncycle completes
What type of algae eater did you get?
You may want to invest in a liquid water quality test kit of your own it was one of the best investments I ever made for a healthy aquarium and peace of mind that I was doing things right
Hope this helps best of luck!

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4 years ago #3
southern creature
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I agree 100% with clonlaracyclone and you needed to cycle your tank properly.

However 10 gallons is a REALLY small tank and mollies are probably too big for it.
As a ROUGH guide you should only have 1" of fish per gallon (this vaires on which fish you have).

Now! What kind of sucker fish do you have???
If it is a pleco/bristlenose, then this is your problem!! These are big poopers and generally messy fish, they will polute (produce ammonia) like nothing else....well there are a few like them, but these are a common problem and you may have one.

Also mollies are a bit big for your tank too!! It sounds like all your fish were too big for your tank and you simply got bad advice. I'm not from the US, but Petco gets a bad wrap from a lot of people (not just on here). A lot of stores just give bad advice to sell fish, even in Australia..anywhere!!

Like clonlaracyclone pointed out, you've gotta cycle your tank properly...please read this http://www.myaquariumclub.com/the-nitrogen-cycle-for- beginners-358.html

Then we need to look at what fish you can have...if you have a pleco, you may need to sell it or get a bigger tank.
Still please don't give up on fish, there is a lot to learn, but we can set you on the right path.

While your choices will be limited with 10 gallons, it will be rewarding to keep fish properly.

Hope this helps and please feel free to ask any further questions.

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4 years ago #4
lin333
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Hi, thank you so much for the advice. I do have the pleco algea eater and this may be part of the problem. We also have only gotten the molly fish (small size), have done everything we can, and they keep dying. We have no room for a bigger tank at this time, but do you have any recommendations on fish we should get for our 10 gallon tank?

Thanks,

Linda

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4 years ago #5
southern creature
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1stly please sell/move your pleco on. A Borneo sucker is a better size for you and it looks similar...it only gets 2" long and is often called the Hong Kong pleco.

Next it is not that you can't have mollies but rather the number you should keep.

You should base your stock levels on around 1" of fish per gollon of water, whatever fish you have. However some are more messy than others e.g. plecos. Also it should be based on the size of the fish when fully grown.

Mollies often get 3-4" long and mollies are complex as there are many breeds anf you never know which crossbreed you have, so it is often difficult to know how many to keep.

As to what else to keep your options are wide open, but a few examples would be.

1 Borneo Sucker @ 2"

4 neon tetras @ 2"ea = 8" + 2" sucker

...this equals 10" and therfore 10 gallons.

OR

5 guppies @ 2" each = 10 gallons.

OR

some Mosquito Rasbora "Boraras brigittae" with a few pygmy corydoras "Corydoras pygmaeus".

many tetras or rasboras and a few others.

NOW 1"/gallon is a VERY safe measure and if things turn out to be ideal/safe with your water paranmeters, you may (in time) look at adding a couple more fish.

To look after your fish well I strongly advise having your own liquid test kits (in the US a master test kit is relatively inexpensive...I hear...are you in the US??)

There are many many more fish you can keep...please feel free to ask questions about any options you want.

BTW a well cared for neon tetra can live for ten years if you follow the rules...that's what I like from a fish/pet!!!

regards

Steven

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4 years ago #6
westible
Guest

Hey mollies are a hardy species i wonder if it'scos they are still little. When you add they make sure you leave them in the bagthey come in for 20min so the temperatures equal then add a bit of your water to the pet shops water and do this twice every 10 mins. Also is your oxygen levels ok in your take? you should be able to get it tested for free at a local petsat home. I had a problem with my tank i seemed to have lost all my long tailed fish and none of my other fish i don't know why.i have 3 mollies 1 male 2 female and they have had about 5 sets of babies. if your waters ok then maby there is some type of bacteria infection, you can buy treatments but i prefer to stay away from chemicals unless nessary

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3 years ago #7
picklebanana22201
Guest

I have a 100 gallon to and some good fish are tetras, shrimp note shrimp don't need salt byt it makes them less finicky,Zebra danios work well too. These are all tropical community fish. Here are some fish that the max per tank is Bettas are aggresive so only one per tank, cicilds are semi-aggressive so try to stick to no more than two fish per tank.

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3 years ago #8
johnarthur
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Be sure to establish a nitrogen cycle in a new aquarium:
http://www.myaquariumclub.com/the-nitrogen-cycle-for- beginners-358.html

Also consider compatibility issues:
http://www.myaquariumclub.com/compatibility-214.html

These two links are brief and free of technical language. Successful aquarium keeping depends on understanding them.

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3 years ago #9
lin333
Guest

Thank you Steven for your help! I have 2 neon tetras in the tank, and have been there ,and alive, for over 6 months now. Got water softener, clean the tank weekly, and add 1 tsp. of ph once/month. Now, I am ready to get the algae sucker fish, and per your recommendation, will get a pleco, which will not get so big. I no longer go to Petco, but PetSmart, which have given me better advice. I am afraid to get more fish because I only have the 10 gallon tank, and PetCo was telling me I could have 6-8 fish in there, which was erroneous info, and why the poor molly's kept dying. Love the Neon tetras, and will continue to get them since they do not grow very big. But, for now, will stick with the tetras that have survived, and will get a small algae eater

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3 years ago #10
jerry
Gold Member
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look in to the glow tetras ,,they are easy to care for and small

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3 years ago #11
cannuk fish guy
Guest

Even the most experienced of us suffer from this one , once in a while. You did not say how big your Siamese algae eater was, but I got one by mistake, he is now 3"
and if I am right, he has developed a taste for other fish's slime coats. Otos remain peaceful & small, & I have been loosing them as well for the longest time. I just went through 4 angle fish this past week, & the only thing I can think of is that SAE.
I have removed him to a separate tank, & so far (1 week later) no more fish losses! I have checked all parameters: pH,ammonia,nitrates etc. all ok. so as the axiom says whatever remains after ruling out the probable, no matter how improbable, must be the case.
Hope this helped ( albeit a little late)

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2 years ago #12
Fishy love
Guest

A beta would be a good fish for your aquarium.

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2 years ago #13
Jason S
Gold Member
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This post is very old help is no longer needed

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2 years ago #14
Fishy love
Guest

Sooooooooooo, who cares?

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2 years ago #15
Jason S
Gold Member
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The person who posted this doesn't need help any more I just wanted to let you know

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2 years ago #16
Fishy love
Guest

Sorry did not mean to be rude

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2 years ago #17
pondman
Guest

Add bacteria and add fish at a slower rate. 1 or 2 every 3 weeks

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2 years ago #18
morainiac
Guest

Just because this one person no longer needs help doesn't mean others won't be helped reading these posts.

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2 years ago #19
Leanne88
Champion
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Bringing old posts back up by commentingbumping them stops new posts from members who need help now and sometimes urgently from being seen in the recent/new posts section..
People can find info from the old posts by searching still.

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1 year ago #20
cjm
Guest

Yes, keep these posts. I just searched your site and found it very useful!

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1 year ago #21
Nix
Guest

I also found this site very useful although the post is old.

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1 year ago #22
Amber
Wiz
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Please refrain from bringing up old posts unless you have something new to add. Doing so pushes off current questions from the front pages.

Thank you
Amber

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1 year ago #23
Fish
Guest

My fish die too but it was the momma fish

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1 year ago #24
Fish
Guest

My fish die too but it was the momma fish

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7 months ago #25
FancyGoldfishKeepe r0103
Guest

Did u cycle ur tank for two months? If u didn't, start over if u have no fish, and let the tank cycle for two months to let the beneficial bacteria colonize. Test the water once a day. Ammonia will rise, the fall, same with nitrites. Once nitrates rise, do a water change of 30-40% and then add ur fish a day later. The test should read 0 ammonia, 0 nitrites, and nitrates should stay under 20ppm. After that, the ammonia and nitrites will stay zero as long as no 100% water changes are done. Then ur fish will live... Hopefully...

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7 months ago #26
Fishfur
Wiz
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Please, check the dates in the upper right corner of posts. You're replying to long dead posts.

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5 months ago #27
ronalvrobin
Guest

Tell me why the fish are dieing

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5 months ago #28
Sodin
Ace
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Ronal, this is a 3 year old thread. If you have questions, please start a new thread.

Thanks 😊

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5 months ago #29
Josie*paolillo
Wiz
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This thread has been brought up several times, I think it's time it was put to rest.

The problem was overstocking an uncycled tank with unsuitable fish

Thread locked.

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