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3 years ago#1
Guest
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How long do you have to wait till you put fish in a new tank, had the tank set up and running for 2 days. Thanks sarah

Posted on Tropical Fish
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3 years ago#2
southern creature
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Hi there,

You need to let your tank "cycle" before adding fish. Establishing the cycle or nitrogen cycle is when you let the right sort of bacteria build up in your tank's gravel and filter.

Here is a good article on the nitrogen cycle by one of our members. http://www.myaquariumclub.com/the-nitrogen-cycle-for- beginners-358.html

It is very important to make sure that your tank is cycled before adding fish.

But to answer your question it takes different lenghths of time to cycle different sized tanks and even same sized tanks can vary considerably.
There are things you can do to speed up the cycling process.

How big is your tank?

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3 years ago#3
Jase
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Its very easy to rush into keeping fish in a tank that hasn't been set up long enough, i'm guilty of it myself when i first started off. I would recommend you read up about fishless cycling your aquarium and go through that process to ensure your aquarium is fully capable then of supporting fish. You will have a much much easier time keeping fish if you do this.. and then the rule is just don't over stock your aquarium, and always get advice before adding more fish to ensure that you are mixing species correctly as not all co-exist.

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3 years ago#4
sarah
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My tank is 2 and a half feet and ive put in tap safe and filter starter in the water

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3 years ago#5
Jase
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I know those products, and the filter start advertises as being a source of millions of good bacteria.

I would recommend you get a good water test kit, and definitely if you can, the API Master Test kit as that one is liquid based rather than test strips.

I'd be quite tempted to add some fish food flakes to your aquarium too after the first few days of setting up, and let it decompose in your tank.. the reason is to start to build up some ammonia in your tank that bacteria colonies can actually feed on, and once the first real bacteria colony settles in and feeds on the ammonia, your real aquarium cycle will begin.

check the link above that SouthernCreature has posted, as that nitrogen cycle occurs for all new aquariums, depending on the method you cycle your tank will determine how long it is before your tank is fully cycled.

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3 years ago#6
BRY
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what i did was let the tank cycle for over a day and then went and got about 3 zebra danios and a ghost shrimp(i have a 20gallon tank). i added them to my tank to help start the nitrogen cycle, most people dont recommend going about it this way and will tell you just to add a little flake food but if you add some small, hardy cheap fish they will help you kick off the cycle(by eating and pooping and such). you just have to watch the levels of your ammonia mainly because when that spikes your fish could go into shock. but i wont get into that. i am pretty new to this, but thats what i did.

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3 years ago#7
johnarthur
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Most aquarium fish, in fact none I can think of, actually eat excrement. Beneficial bacteria eat its decomposition products.

Using dither fish to start a cycle means they will probably die or get sick and leave diseases and parasites for the next aquarium residents. In addition, dither fish don't start a nitrogen cycle much faster than a small pinch of flake food every other day.

The nitrogen cycle is working when ammonia and nitrite remain at zero and nitrate stays below 40 ppm.

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3 years ago#8
sara.hop
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55 gal

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3 years ago#9
dawnrader
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Sarah,

The answer to your question is around 6 weeks.

If you add fish before the end of your completed nitrogen cycle it will be hell for you and your fish.

Daily water changes, and sometimes twice a day.

I know it's difficult to wait for fish but you will be glad when you do, otherwise you will end up with sick or dead fish.

Read up on the nitrogen cycle and follow the directions.

Nic

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3 years ago#10
bullzi
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As far as I have read, there is no particular time frame to build up N2 cycle, one can take 1 month, another can take 2 month. Only regular water tests will ensure that the cycle has completed with the parameters John has already suggested.

But you can try to make the cycle build up faster by adding commercially available beneficial bacteria and NH3.

Also, you can ask one of your fish keeping friends to squeeze a filter from a mature aquarium inside your tank, that filter would be filled with beneficial bacteria. But you have to make sure those bacteria get adequate food to increase their colony.

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2 years ago#11
miguel
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32 pounds

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2 years ago#12
tanya
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Let it cycle for atleast 2 weeks then test the water. Also remember 1 inch of fish per gallon.

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2 years ago#13
jerry
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i am currently cycling a 5 gallon tank.. i have no fish in it.. its been a week and half ..were in stage 2 of the cycle . so id say at the least 2 weeks ... but test the water ... i cycled a 29g tank with fish and it took 2 months and put the fish through hell..i dont recommend putting fish in till the tank has cycles.. just a flake of food evey few days

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2 years ago#14
harryhashighpants
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jerry wrote:
i am currently cycling a 5 gallon tank.. i have no fish in it.. its been a week and half ..were in stage 2 of the cycle . so id say at the least 2 weeks ... but test the water ... i cycled a 29g tank with fish and it took 2 months and put the fish through hell..i dont recommend putting fish in till the tank has cycles.. just a flake of food evey few days


That is what i did with my 180 gallon pond and it only took 3 weeks (Flakes)

It only took one week to cycle my 5 gallon tank
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2 years ago#15
DopoYume
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How long will it take to cycle the fish tank if you add a pinch of fish flake food every other day? (I have a 10 gallon that I set up 3 days ago and want to add 4 corydoras after it cycles)

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2 years ago#16
thea
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My 10 gallon took a little over 3 weeks to cycle with fish pellets and a little over 4 to stabilize...

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2 years ago#17
amol kumar
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you can add fishes after 2 or more days. but if you have water of old aquarium you can add little bit of it because it contains required micro organisms which help fishes .

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2 years ago#18
Bill
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Thank you Sarah
Bill

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2 years ago#19
doby462
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55 gallons

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2 years ago#20
Jason
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You guys make this sound so hard. Like I have litrally cycled my tank twice in 2 months. The first month i had blue gravel didn't like it. so on the 2nd month i changed it and went with black and dirt underneath to help live plant growth. And apparently when doing that u kill off ur bacteria so i had to kinda start over. And i recently just finished up the cycle process. But what you need to do is i know some ppl will so omg ur killing ur fish off ur horrible. But go out get very few fish. I have a 20 gal with only 3 tetra's very hardy fish. Have ur tank set up and let that run for a day. Throw ur fish in there let them settle in feed them. Then go out and get u a bottle of nutraphin or stress zyme. Do what the bottle tells. And with in 2-3 weeks your ammonia will be low. Ull never see nitrites. And Nitrates will be kickin. Which is good cause that means u got bacteria. Now some ppl say fish cycle is stressful and alot of work. But I'm mean if doing maybe small water changes here and there maybe 2 or 3 times a week. Just depending on what ammoina reading say is too much work for you then u prolly don't have time for pets anyhow. Just try ur best too keep ur ammonia below .50 is my general rule and ur fish are great. I have had the same fish sence i started out haven't killed one. So I mean don't take my word for it. But it's what's worked for me and i'm not changeing it. I could prolly use some help on plant growth but i got cycleing down pat.

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2 years ago#21
FishGirl97
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I always wait a week and then put my fish in

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2 years ago#22
johnarthur
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The nitrogen cycle is three different types of beneficial bacteria living primarily in the substrate and filter elements, not so much in the water column. Fish respiration and digestion, uneaten food and decaying organic matter all produce ammonia. In three steps, the nitrogen cycle digests ammonia and converts it to plant food.

The length of time needed to establish a nitrogen cycle depends on the aquarium size and cycling methods. Generally, the nitrogen cycle is considered complete when ammonia and nitrite remain at zero and nitrate stays below 40 ppm.

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2 years ago#23
ace
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75 gallon saltwater

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2 years ago#24
Amanda
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If you have plants from the plant store in it will that speed up the process? I assume they brought bacteria along with them.

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2 years ago#25
johnarthur
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Live plants metabolise toxic nitrogen compounds and thus improve water quality. To help get the nitrogen cycle started, you may want to add one of the formulations containing live bacteria. This may reduce cycling time in a 75 gallon tank to less than a month.

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2 years ago#26
KJP
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This thread is somewhat confusing to me - is it about saltwater tank?

Anyway - cycling marine tank is the same as cycling freshwater, the principle of nitrogen cycle is exactly the same and indeed the products available commercially like API stress zyme are aimed at both - freshwater and marine <email> sand is honestly pure waste of money - just get live rock and it will seed the sand in no time. Love rock will indeed allow for better filtration and also many critters will 'appear' as from nowhere, so it is fascinating to watch every day and observe them.

Now about plants - well the closest to plant in salt water are macroalgae in other words seaweed. They do fantastic in coldwater/temperate marine setups that are not so popular yet they are fascinating and more and more people turn in to Atlantic biotope marine setup instead of tropical reef.

As far as I know macroalgae are not recommended in a reef tank as they produce some chemicals that may have adverse effect on coral growth.

And of course corals and anemones are considered animals not plants

Caulerpa is a type of seaweed often grown in a sump or refugium. These macroalgae are in fact very good at water filtration and are known at vegetable filter.

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2 years ago#27
trigger
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after the first set up with water and filter running wait about a week then slowly add a couple of fish at time for the first few weeks. then after about a month you should have all of your fish friends. feed them at least every day about what they can all eat in about 30 to 60 secs. what ever is left take it out so the tank water doesnt get all cloudy.

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2 years ago#28
pamk59
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this is what i do and it works i go to walmart and get the liquid that gets rid of chlorine and balances ph its the tetra kind it works for me.

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2 years ago#29
FishGirl97
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wow sweet I use the same stuff and it works too from wal-mart

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2 years ago#30
RedCyan1
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When the tests say it's ok! I find marine tanks quicker and had tropical tanks take up to 6 weeks in my early days without mature water or filter media. The lFS can do the tests for you if you're worried you may not do them correctly to start with. Just take them a batch of water in something clean.

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