How often does goldfish water need to be changed?

To keep your fish healthy, you should change at least half of the water in the bowl or aquarium every 3 days.
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How long can goldfish live without changing water?

A goldfish may survive around 8 to 12 hours in a normal bag.
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What happens if you dont change goldfish water?

Instead, every time you do a water change, remove a bucket of tank water and use that to clean your tank's equipment and decorations. Not treating tap water before adding it to the tank – water contains chemicals that can harm the colony of good bacteria in your tank.
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How do you keep goldfish water clean?

Begin by scraping away excess algae from the tank sides with an algae scraper, and then vacuum up any waste or food scraps accumulating on the floor of the tank. Finally, siphon out 20 percent of the tank water and replace it with fresh water that has been treated to remove chemicals and chlorine.
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Can you change goldfish water with tap water?

Tap water is the most commonly used water in goldfish tanks. So YES, goldfish can live in tap water as long as it's been treated with a water conditioner first.
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How Often to Change Goldfish Water?



How often do I feed my goldfish?

Feed 2-3 times daily. It is important to avoid overfeeding goldfish as this can cause indigestion and/or contaminate the tank. In terms of the amount to feed, a good rule of thumb is to only feed an amount that the goldfish can consume in under two minutes or only feed as much as the size of the goldfish's eye.
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Can goldfish live in a bowl without an air pump?

As it has been stated, goldfish do not always require an air pump to survive. It can do well in a tank that is well oxygenated for as long as it normally can. As long as there is enough surface movement that translates to oxygen, then the goldfish can live just fine without an air pump.
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Why are goldfish so dirty?

Goldfish are not toxic in any way. This myth likely stems from the large amounts of ammonia these fish excrete, but all fish excrete ammonia, not only goldfish. Goldfish do tend to be messy and eat a lot. They are also a heavy-bodied species, so they excrete more waste than other species of smaller sizes.
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How many goldfish should be kept together?

Keeping at least two goldfish in an aquarium is recommended to provide companionship and promote activity. Solitary fish can exhibit depression and lethargy. Goldfish are generally not aggressive so they can be kept with most community fish provided the other fish are larger than the size of the goldfish's mouth.
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Should goldfish water be cloudy?

Although it's unlikely, the goldfish water could be cloudy after one day because of a bacterial bloom. More likely, though, it could be something to do with the water you're using. Remember, when you're adding water to the tank, you need to make sure that you're using a water conditioner as well!
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How do you keep a fish tank clean without changing water?

Ways to Keep Your Aquarium Clean
  1. Use a Proper Filter. The best way to keep an aquarium clean is with a proper filter for the tank's type and size. ...
  2. Change the Water Regularly. ...
  3. Feed Fish Correctly. ...
  4. Welcome an Algae Eater. ...
  5. Take Time to Clean the Tank. ...
  6. Clean the Outside of the Tank.
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Do goldfish need a filter?

Yes. Goldfish, as well as most fish, need a filter. It helps pump oxygen into the water and keeps the tank cleaner for longer.
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When should I change my fish tank water?

You should do a 25% water change every two to four weeks. There is no reason to remove the fish during the water change. Make sure you stir the gravel or use a gravel cleaner during the water change. When adding water back in to the aquarium, use Tetra AquaSafe® to remove the chlorine and chloramine.
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How long can goldfish live in tap water?

Goldfish cannot survive longer than a few minutes in untreated tap water. It will kill them almost instantly as it burns their lungs. If the pH level of your tap water is fine for a goldfish to survive (7.2-7.6), then it is safe.
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How do you know if a goldfish is happy?

Signs of a Happy Goldfish

Your goldfish should be swimming constantly and not floating, bobbing or sinking. They should eat regularly and eliminate their waste frequently. Provide some variety in your fish's diet. Pellets everyday can become boring.
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Do goldfish need air bubbles?

Yes, Goldfish needs air. Though it's commonly known that goldfish need water to survive, they're also dependent on fresh air. That's because a goldfish's internal organs rely on oxygen to function properly. Just like humans, goldfish have circulatory systems that help carry oxygen throughout the body.
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What do goldfish like to play with?

Creating a Playful Environment. Use large and smooth gravel stones. Goldfish love to swim around the bottom of the tank. Because of this, you need to make sure your stones are large so that they cannot be swallowed.
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Do I need heater for goldfish?

All Goldfish are temperate fish and don't absolutely require a heater, unlike fish like Discus that come from the steamy tropics. But Fancy Goldfish sometimes can't take sudden shifts in temperature like their ancestors can and almost never down to near-freezing.
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What size tank do I need for 2 goldfish?

Based on the rules above, the goldfish tank size we recommend for two goldfish is: 42 gallons for two Common goldfish. That's 30 gallons for the first fish and 12 additional gallons for the second fish.
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Do goldfish need darkness to sleep?

Goldfish don't naturally sleep at night, like people do. They do sleep better when it's dark and quiet, so many fish will sleep at night. If you make noise around a sleeping fish, it will startle awake. Thus, it's best to keep the noise level down when your fish wants to sleep.
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Do goldfish like things in their tank?

Goldfish like plants, variety in their food, a large, clean tank with a stress-free environment, lots of oxygen in their tank, nice cold soft water, other Goldfish as mates and some decorations in their tank.
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Do goldfish recognize owners?

Pet goldfish can distinguish between humans, and often recognise the human that regularly feeds them. Pet goldfish can also seem quite scared of new people, but become more comfortable with their owners over time as they realise they aren't a threat.
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Do goldfish need a light?

Goldfish do not rely on lighting as plants do, but it is still important to give them a day and night cycle. This will help their eye development and provide them with the light requirements that they would receive in the wild.
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Are goldfish easy to take care of?

Goldfish are one of the most common fish that beginner aquarists start with, but you might be surprised to learn that they're also one of the trickiest. Far from being low maintenance and easy to take care of, they are quite sensitive and they need specialised care. Many goldfish never receive this care.
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How do I know if my goldfish has enough oxygen?

Watch the goldfish as he swims in his tank. A goldfish in need of oxygen will repeatedly swim to the surface of the water and gulp for air.
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