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I've had 3 mollies and 2 goldfish (at different times) die in the past month. After this falure i got guppies and bought new equipment and fish food and everything. the only things i haven't changed is the water contioner and the fish tank.

2007-07-09 13:13:59 · 19 answers · asked by Anonymous in Pets Fish

I've had 3 mollies and 2 goldfish die in the past month. After this falure i got guppies and bought new equipment and fish food and everything. the only things i haven't changed is the water contioner and the fish tank.

The equipment i have is:
air pump
heater
vacum (cleans stones)
food
water continioner


... i don't have a filter because i've been told my tanks so small it doesn't need one (it's a 20L tank)

2007-07-09 13:56:18 · update #1

19 answers

Firstly, did you allow for the tank to cycle? Your tank should have been up and running about a week to properly cycle the tank.

Secondly, adding 5 fish to a 5 gallon tank is way too many at one time. this more than likely spiked your ammonia levels

Third, get rid of the heater. Goldfish don't and cannot have one and mollies don't need once since they are cold and warm water fish.

Third, your tank is way over stocked. Two goldies and 3 mollies is way too many fish for a 5 gallon. Forget the goldies and keep 3 mollies.

Eventually (within 6 months) your goldfish will outgrow the tank.

You really need a filter on the tank. There is no such thing as the tank is too small for a filter since they make 1 gallons with filters. You need to add dissolved oxygen to the tank and an air stone does nothing for air to your fish. Only water movement against air will do this and that is what your filter does in your tank.

If you are planning on trying mollies again, add only 1 at a time 1 week apart.

Good luck

2007-07-15 04:08:18 · answer #1 · answered by danielle Z 7 · 0 5

You should only put 2-3 fish in at a time and that is only after you have had the tank set up and running and have had tour water tested. You also need to get a filter. Whoever told you that your tank is too small is wrong. Make sure they can get enough air and you should have your water tested 2x a week for at least a month. And then once every week or two. Even if you do everything right you run the risk of ammonia in a newly started tank and it will kill your fish.

2007-07-09 21:32:10 · answer #2 · answered by MelD 2 · 1 1

With our standards it's a 5 gallon tank
Even with that small tank you need a filter you were very wrong informed about that

you're not suppose to put a goldfish in warmwater

Your other fish died most likely on lack of oxygen in the water

you need to test your water also for Ph and Ammonia and Nitrite, these are the most common mistakes people make, because most of the time at least one of them is off the chart

Even when you buy new fish it's very important that you put them with the bag into the water that the fish can acclimate to the new watertemperature

For mollies and guppies you're suppose to have the temperature somewhere between 76-82degrees

As for the water conditioner I would recommend using "Aqua Safe" as directed

Hope that helped
Good luck


EB

2007-07-09 15:53:32 · answer #3 · answered by Kribensis lover 7 · 4 1

PEOPLE! She had the mollies and the Goldfish at DIFFRENT TIMES. Now for a 5 gallon yes you need a filter and anyway 2 goldfish in a 5 gal. without a filter! That's not good, you should at least have them in a 10 gallon. Also you should test your water and change your whole tank water.

A$H!

2007-07-16 03:54:45 · answer #4 · answered by A$HLEY*! 4 · 0 0

Who ever told you that a 20l doesn't need a filter needs to get out of the fish biz! Get a filter,EVERY TANK NEEDS A FILTER!!!!! change 10% of your water weekly, DO NOT put gold fish with mollies, mollies need warm brackish water gold fish need cold fresh water and they are dirty! They need a filter if for no other reason. Make sure your tank is ready before you add any fish.. get a test kit! or get the water tested. AT a different store. Make sure your fish are healthy and eating BEFORE you buy them. Ask to see them eat, if they say no or the fish don't eat DON'T BUY! If the tanks at the store look dirty DON'T BUY! And the most important thing you can do before anything get a BOOK and READ IT!!! And when your done reading it give it to that idiot at the fish store and tell him to read it!

2007-07-15 06:40:06 · answer #5 · answered by Ramoth41 3 · 2 1

Well, its been awhile since I had fish,
but the only things that I can tell you is that its probably the water temp.

I dont know if you did this or not,
but when ever you first get the fish did you just put them in the water as soon as you got home....
or did you put the bag in the water for a couple of minutes and, then put them in?
When I first did that the fish died...

The only other thing I can think of is that the fish dont get enough food, and I dont think thats the problem.

2007-07-09 13:48:56 · answer #6 · answered by Anonymous · 0 1

GET A NEW TANK! I have 2 fish in a 2 gallon tank because that is all my tank can hold with out suffocating each other. at first i had seven fish: 1 platy, 1 African frog, a black molly, a loach and a snail. the platty and loach survived. the point is you have too many fish in your tank . tanks hold fish by inches of the fish.

2007-07-17 03:45:13 · answer #7 · answered by Thistlewood 2 · 0 0

This may sound obvious, but did you check your water conditioner to see if it actually dechlorinates? I accidentally bought something called water conditioner years ago, that didn't have any dechlorinator in it. Check your water for ammonia, and skip a couple of days before feeding your new fish. You didn't say what kind of equipment your tank has, but an air pump with an air stone will be useful, as will a hang on the back filter.

2007-07-09 13:20:15 · answer #8 · answered by fivespeed302 5 · 5 1

One of the first things to do is make sure you change 25% of the water each week. If you don't do it your fish are left swimming in their own excrement, which just keeps getting more and more concentrated. Warm the replacement water to the same temperature as your tank and add the appropriate amount of water conditioner to neutralise chlorine and other harmful chemicals.

2007-07-15 17:59:54 · answer #9 · answered by Anonymous · 1 0

yeah, get your water tested.

what kind of conditioner are you using? that could be harmful to the fish you have.

also watch where you get your fish from.. alot of places carry ike. small white dots on fish.

just read directions on everything and check fish out good before buying them.

one last thing... take all the fish out put them in a bucket or something and take the tank outside and wash it out with a water hose, clean it really good. Just use water!!!

2007-07-16 21:42:52 · answer #10 · answered by Anonymous · 0 0

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