Common Reason Why My Goldfish Tank is Cloudy And Smells?

If your goldfish tank is cloudy and smells, the most likely cause is poor water quality. This can happen when there’s too much waste in the water (from overfeeding or failing to properly clean the tank) or if you haven’t been doing regular water changes. To fix this issue, start by testing your tank’s water parameters (ammonia, nitrite and nitrate levels).

If they are significantly higher than normal, do a partial water change of 25-50%. Clean up any excess food and debris from the bottom of your tank.

Finally, make sure you’re regularly changing 10-25% of your aquarium’s water every 2 weeks to keep it clean and clear!

It can be extremely concerning when your goldfish tank is cloudy and smells. It could potentially mean that something has gone wrong with the water quality, or that there is too much bacteria in the tank. The best thing to do if you suspect this is to test the water for any contaminants, while also doing a thorough cleaning of your filter system and changing out some of the aquarium water.

If you are still having issues after these steps have been taken then it may be time to consult an expert regarding further treatments.

My Goldfish Tank is Cloudy And Smells


How Do You Fix a Cloudy Smelly Fish Tank?

If your fish tank is cloudy or smelly, it could be a sign that something is wrong with the water. The first step to fixing this problem is to do a full water change and clean the tank. This will help reduce the amount of dirt and grime in the tank, as well as remove any excess nutrients that are causing problems for your fish.

Once you’ve done this, check if there are any signs of disease or parasites in the tank by looking at your fish closely. If so, treat them accordingly with appropriate medications.

Finally, make sure you have adequate filtration for your aquarium; without it, debris can easily build up and cause cloudiness and bad odors over time.

Additionally adding some live plants to your aquarium can also help filter out waste from water while adding oxygen which helps keep things healthy for both you and your fish!

Why Does My Goldfish Tank Smell Like Ammonia?

If you’ve noticed a strong smell of ammonia coming from your goldfish tank, it’s likely due to an overabundance of waste in the water. Ammonia is produced when bacteria break down fish waste and other organic materials, so if there are high levels of these substances in the tank then it can cause an ammonia spike. This is especially common with new tanks, as they may not have been properly cycled before being populated with fish.

In addition to excess waste, certain conditions can also contribute to an ammonia problem such as overcrowding or poor filtration systems. To reduce the amount of ammonia in your aquarium, start by performing regular partial water changes (at least 10-25% every week) and making sure that all uneaten food is removed quickly after feeding time. If necessary you can add a chemical filter media like activated carbon or zeolite which will help remove some of the toxic compounds from the water column.

Finally make sure that your tank isn’t overcrowded and keep an eye on any signs that could indicate poor water quality such as cloudy eyes or lethargy in your fish. This way you’ll be able to address any issues quickly before they become too severe.

What Causes a Fish Tank to Smell Like Rotten Eggs?

Having a fish tank that smells like rotten eggs can be an unpleasant experience, and it usually indicates an imbalance in the water chemistry of the tank. The most common cause of this smell is caused by high levels of hydrogen sulfide gas in the water. Hydrogen sulfide gas is created when organic matter begins to decompose, such as uneaten food, dead plant material or fish waste.

When these materials break down, they release sulfur compounds which create an odor similar to rotten eggs. In addition to causing an odor, too much hydrogen sulfide can also harm your fish’s health because it prevents oxygen from properly dissolving into the water and can lead to stress or even death for your aquatic pets. To avoid this situation you should regularly clean your aquarium filter and do partial water changes every few weeks so that any decaying matter is removed before it releases too much hydrogen sulfide gas into your tanks’ environment.

Why do Goldfish Tanks Get Dirty Fast? – How to Get Rid of Algae?

Fish Tank Smells Bad And is Cloudy

Having an aquarium in your home is a great way to add beauty and life to your surroundings, but it can become problematic if the tank starts to smell bad and becomes cloudy. This is often caused by an accumulation of excess organic matter such as fish waste, uneaten food, or decaying plants that cause bacterial growth leading to poor water quality. To address this problem you should clean your tank regularly with a gravel vacuum and conduct partial water changes every week or two.

You may also need to adjust the pH levels in the aquarium using buffers, use chemical treatments such as chlorine removers when needed, and invest in an efficient filtration system for better circulation.

Fish Tank Smells After 2 Days

Fish tank smells can be caused by a variety of factors, such as an excess of waste and uneaten food in the water, bacterial growth due to poor filtration or inadequate aeration, or even high levels of ammonia or nitrites. If your fish tank starts smelling after just two days, it’s important to act quickly and investigate the cause. Check if your filter is working properly and clean out any decaying material from the bottom of the tank.

Additionally, you may want to perform a partial water change to reduce toxic levels in your aquarium and provide a fresh start for your fish.

Goldfish Tank Smells

Goldfish tanks can start to smell if not properly maintained. The most common culprits of a smelly tank include overfeeding, poor water quality, and/or an accumulation of organic matter such as uneaten food or decaying plant material. To reduce odors in the goldfish tank, it is important to clean out the aquarium regularly by removing any uneaten food, vacuum up waste and algae from rocks and gravel surfaces, replace filter media periodically with fresh material, and perform regular partial water changes.

Additionally, adding live aquatic plants can help absorb nutrients that cause odors before they accumulate in the tank.

Can a Smelly Fish Tank Make You Sick?

Yes, a smelly fish tank can make you sick. A dirty and poorly maintained aquarium can contain bacteria, viruses, parasites, and other pathogens that are hazardous to human health. Poor water quality can lead to ammonia poisoning or even infection from harmful microorganisms which could cause respiratory illnesses such as Legionnaire’s Disease or Pontiac Fever.

Therefore it is important to keep your fish tank clean and properly maintained in order to prevent any potential health risks.

Aquarium Smells Like Pond

Aquariums can sometimes smell like a pond due to the accumulation of organic matter in the water, such as fish waste and decaying leaves or plants. To help keep your aquarium smelling fresh, it’s important to perform regular maintenance such as cleaning out any dead material from the substrate and performing regular water changes. Additionally, using an air stone or other aeration device can help circulate oxygen throughout the tank and reduce odors.

Fish Tank Makes My Room Smell

A fish tank can be a great addition to any room, but it’s important to remember that the water and air in your aquarium need to be kept clean in order for your room not to smell. Regularly clean the filter, change out water as needed, and use good quality food/treats designed specifically for fish in order to avoid nasty odors from developing. Additionally, using live plants or keeping a lid on the tank can help reduce unpleasant smells by preventing excess humidity from building up inside of the tank.

With proper care and maintenance, you’ll enjoy both the calming presence of an aquarium without having to worry about any unwanted smells!

Fish Tank Smells Like Sewage

Fish tanks may start to smell like sewage when there is an accumulation of rotting food and old fish waste. This can occur if the tank isn’t cleaned out regularly, or if too much food has been added at once. To avoid this, make sure you clean your tank weekly with a gravel vacuum and replace 10-20% of the water with fresh tap water.

Additionally, don’t overfeed your fish—give them only what they can eat in 5 minutes!

Why Does My Fish Tank Smell Fishy?

A fish tank that smells fishy is usually caused by an accumulation of organic compounds in the water, such as ammonia, nitrate and nitrite. These compounds are produced when waste decomposes inside the tank, so it’s important to perform regular maintenance such as water changes and filter cleaning to keep your aquarium clean and free from odors. Additionally, overfeeding can cause excess waste which will contribute to a fishy smell in your tank.


In conclusion, cloudy and smelly water in a goldfish tank is not normal. The main cause of this problem is poor maintenance or overfeeding which can lead to an accumulation of bacteria in the water that causes cloudiness and smells. It’s important to check your tank regularly for signs of problems such as cloudy or smelly water, so you can take corrective action quickly before the situation worsens.

With proper care and maintenance, you should be able to keep your goldfish tank clean and clear for many years to come.