How Long To Wait To Add Fish After Instant Cycle?

by | Last updated on January 24, 2024

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A planted tank needs to be cycled before adding fish. A colony of beneficial bacteria needs to develop over a period of

6 weeks

so your tank can handle ammonia. Both the bacteria and the plants consume ammonia so make sure to maintain the right concentration (2ppm) of ammonia while cycling.

How quickly can you add fish to a cycled tank?

You do not want to add any additional fish to your fish tank until the aquarium has completely cycled – a process that generally takes

6-8 weeks

. This means that you need to wait at least six weeks after introducing your first fish before you consider introducing any additional fish to your fish tank.

Do I have to wait 24 hours before adding fish?

Please take into consideration that

it is critical to allow the tank to sit for 24 hours before you add the fish

. This is purposely done to ensure the accumulation of healthy bacteria buildup inside the tank.

How long does it take API QUICK START to work?

After

about a week

or so you’ll notice the ammonia levels go down, and nitrites start spiking. After another few days the nitrites and ammonia will both go down close to or at 0, and nitrates will be present. Now the tank is fully cycled, and it’s safe to add fish.

How long does API tap water conditioner take to work?

This treatment works immediately and takes

approximately 24 hours

to cycle through depending on the dosage used and tank gallon size.

Can you add fish during cycling?

Are We There Yet? When your water testing shows no ammonia and no nitrite despite regular feeding, cycling is complete, and

you can start adding more fish to your aquarium

.

How long before ammonia turns to nitrite?

At

about ten days

into the cycle, the nitrifying bacteria that convert ammonia into nitrite, Nitrosomonas, should begin to appear and build. 3 Just like ammonia, nitrite can be toxic and harmful to marine animals even at lower levels, and without nitrite present, the cycling process cannot complete itself.

Should I do water changes during fish in cycle?


While not essential, we recommend water changes during cycling

, although opinions differ. Since bacteria live on surfaces, removing water does not disrupt their development. Water changes can help control the amount of ammonia in the first stage of the aquarium’s life.

Can I add fish after 48 hours?

Filling Your New Aquarium

After purchasing your new aquarium, make sure to set it up, add water, substrate and plants and

allow it to settle for at least 24 – 48 hours before adding fish

.

Can you put fish straight into a new tank?


You can add fish as soon as tank water is dechlorinated and to temperature, as long as you add the right bacteria

, and the manufacturer states that it is possible to do so. But for the best possible (safest,) results start to Fishless Cycle on the day that the water is dechlorinated and to temperature.

How long should I wait to put my fish back in the tank after cleaning?

If you have water conditioner to put into the tank you should be able to put your fish back in it after

about 5 minutes

. If you do not have water conditioner then you can let the water sit for about 8-12 hours and it should be ok.

How do you know when your fish tank is ready for fish?

When Is My Tank Ready for Fish? Your tank is ready to add fish

when your ammonia tests are quickly dropping over the course of a day, and your nitrite level has risen and subsequently dropped back to 0ppm

. Once you reach this point, you are ready to add your first fish.

How can I speed up my aquarium nitrogen cycle?

  1. Focus on the basics. Keep the pH above 7. Don’t turn off your filters. Don’t forget the dechlorinator. Watch the heating.
  2. Rob an old tank. Use a cycled filter. Season your filter. Add gravel. Buy some plants.
  3. Use bacteria in a bottle.

Does API QUICK START remove nitrite?


No, Quick Start provides the bacteria that convert ammonia to nitrite and then nitrite to nitrate

. The only way to remove nitrate from your aquarium is to do weekly water changes, and provide proper filtration.

When should I add water conditioner to my aquarium?

When purchasing your freshwater fish tank, add a water conditioner

about 24 hours before adding fish

. When changing your tank’s water, do so weekly without a filter and every few weeks if your tank has a filter. Don’t remove all of the water all of the time.

How long fish survive in tap water?

Tap water requires at least 24 hours to dechlorinate since the chlorine evaporates slowly at room temperature. In some cases, it may even take

a few days

until all the chlorine disappears.

What happens if I put too much water conditioner in my fish tank?

Yes, too much water conditioner

can kill a fish

. But you’d really have to dump an entire bottle of conditioner into the tank like I did or even more. Even then, most fish wouldn’t bat an eyelid (like they have any!).

Can a fish tank cycle in 2 weeks?

So

yes you can have little to no cycle at all

. I waited 2 weeks to add a clean up crew. And another two weeks to add my Clowns. Congrats and good luck!

How long does it take for nitrite to turn into nitrate?

This process normally takes anywhere from

2-6 weeks

. At temperatures below 70F, it takes even longer to cycle a tank. In comparison to other types of bacteria, Nitrifying bacteria grow slowly.

Do nitrates mean tank is cycled?


When nitrates are being produced and ammonia and nitrite levels are zero, your tank is fully cycled

and your biological filter is fully functioning (from 2-6 weeks). In low levels, nitrates are not highly toxic to fish.

Should I keep adding ammonia?


Keep dosing ammonia to 3 ppm

. You need to keep feeding the cycle. Eventually the population of nitrite removing bacteria will catch up. They are slower growing than the first (ammonia removing) bacteria, so give it time.

How often should I add bacteria to aquarium?

You need to add bacteria to an aquarium

as often as you add new fish to the tank or change its water

. If you change your aquarium’s water once every two weeks, then you need to add bacteria to your tank two times a month. This ensures the bacteria can keep up with the waste conversion.

How do you fix an ammonia spike?

Should I vacuum gravel during cycle?


DO NOT vacuum the gravel or you will destroy what good bacteria that is growing in the gravel

. Wait until ammonia and nitrite reach zero then you may vacuum.

What happens if you put fish in an Uncycled tank?

An uncycled tank can be dangerous and even lethal for your fish, as

ammonia will quickly harm and kill any fish living in even small concentrations

. The Cycle is what happens in your filter. Filters can be internal, external (canister), hang on back (HOB) or even an extra tank called a ‘sump’.

Can I use Seachem Prime everyday?

That means

it is typically fine to dose Prime® every day, or even two times per day in most systems

. Prime® breaks down completely after 48 hours, so there is no risk of a buildup of this product in the aquarium system over time.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.