
Do I need charcoal in my aquarium filter?
Charcoal filtersaren't necessary to a healthy aquarium. Regular water changes and biological filtrationare enough to keep water chemistry in check. Carboncan be useful in the short term, such as to excess medicine from the water. Subsequently, question is, how long does activated carbon last in an aquarium?
What does the carbon filter do in an aquarium?
The whole purpose of putting an activated carbon filter in the aquarium is to affect the quality of the water. Ideally the water would be affected in a positive way but that is not always the case.
How to make an activated charcoal water filter?
Step-By-Step Guide on Making Activated Charcoal Water Filter
- Source of Charcoal. Do not purchase regular charcoal briquettes for making activated charcoal. ...
- Pulverizing the Charcoal. Your goal is to lower the charcoal chunks to a fine powder. ...
- Charcoal Screening. ...
- Activate Charcoal. ...
- Rinse the Actifier. ...
- Final Drying Up. ...
- Store Your Activated Charcoal. ...
Is charcoal good for aquarium?
Charcoal in an aquarium filter can help to remove chlorine and chloramine as well as other molecules found in tap water, so it is beneficial for some things. If you are medicating an aquarium, the charcoal should be taken out of the filter as it will absorb the medication – thus minimizing its full potential to heal the sick fish.

What does charcoal do in an aquarium filter?
Charcoal filters out undesirable chemicals and elements in the water of your aquarium. These substances include dissolved organic molecules found in tap water, chlorine and chloramine, some heavy metals, and growth-inhibiting pheromones released by your fish.
What can I substitute for carbon in aquarium filter?
0:351:58How to Replace a Carbon Filter in a Fish Tank - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay canister filters generally use a pouch of carbon usually sized to the appropriate canisterMoreOkay canister filters generally use a pouch of carbon usually sized to the appropriate canister filter. Okay there are other types of filter carbons. This is a pad that actually has carbon sprayed.
Is activated charcoal good for aquarium?
Despite its limitations, activated carbon is a great tool for keeping your aquarium water clear and your fish healthy. Combined with good maintenance habits, you will be able to keep your fish happy for a long time.
How much charcoal is used in a fish aquarium filter?
Fill it so you get about two inches of activated carbon. This is just my suggestion. Some aquarists fill the canister with activated carbon! Remember that a deep bag of carbon will restrict flow and reduce the water output of the canister.
Does carbon make water clear?
Carbon, or activated carbon, is used as a chemical filtration media. It helps to remove many organic and inorganic materials dissolved in tank water -- it keeps the aquarium water clear, and removes odors.
Should you use carbon in a planted tank?
Is activated carbon necessary in most planted tanks ? No, but it can be useful in setups to capture small organic waste particles or tannins. Purigen is a good alternative as it can be recharged (with bleach) and reused.
Where do you put the charcoal in a fish tank?
2:364:45Using Activated Carbon in Aquariums - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut for heavily planted aquarium. Too much activated carbon is not recommended as it will trace outMoreBut for heavily planted aquarium. Too much activated carbon is not recommended as it will trace out certain chemicals from the water that are essential for plant growth.
Will activated carbon clear cloudy water?
Adding activated carbon media or activated carbon pads to the filter will help clear the water and adsorb nutrients that feed the bacteria bloom.
Does activated carbon raise pH?
Summary: Though its popularity as a water treatment alternative is increasing, activated carbon can have a substantial effect on pH. These “spikes” in pH become even more pronounced in various high-purity applications.
How long does activated charcoal last in a filter?
about six monthsTypically, a good activated carbon air filter lasts for about six months and would need to be replaced once every year. This duration is subject to the quality of the carbon shoes acquired from LifeSupplyUSA. Substandard filters would not last as long.
Does activated carbon remove algae?
Algae bloom (green water) Activated carbon can't remove algae itself, but instead works by neutralizing the organic matter and chemicals that help cause blooms.
How often should I change the charcoal in my fish tank?
How Long It Lasts. While activated charcoal is one of the most absorbent materials around, it can only absorb so much before it isn't capable of taking in anything more. Charcoal filters will last between two and four weeks. The filter should be changed every few weeks to keep it active.
Why do aquariums need charcoal filters?
Filtration is one of the most important components of a successful aquarium. Many filters include charcoal to help remove unpleasant odors and colors in the tank. Activated charcoal filters last only as long as the charcoal can still absorb impurities from the water; then the need to be replaced.
What is charcoal used for in aquariums?
The type of charcoal used to filter aquarium water is called activated carbon. It’s made of the same stuff that makes up pencil "lead"—graphite. It has an extremely irregular porous surface, making it act like a sponge for bad odors and trace elements in both water and air.
How long does charcoal last?
Charcoal filters will last between two and four weeks. The filter should be changed every few weeks to keep it active.
Can you use a carbon filter on fish tank?
Having a carbon filter doesn’t mean your fish will get the disease, but over-filtration of aquarium water can be a contributing factor. Charcoal will also suck up most medication, so remove this form of filter before medicating your tank.
Is charcoal filtering necessary for aquariums?
Necessity. Charcoal filters aren’t necessary to a healthy aquarium. Regular water changes and biological filtration are enough to keep water chemistry in check. Carbon can be useful in the short term, such as to excess medicine from the water.
Is charcoal filter good for fish?
Charcoal filters are generally regarded as safe, but some controversy surrounds their long-term use. Charcoal filters are great at sucking bad stuff out of the water, but they can also absorb trace minerals that are important for healthy fish and plants.
What Exactly Is Activated Carbon?
Technically, carbon is produced by burning wood or gas into charcoal. Some people use activated charcoal 15x in powder form to remove organic matter from their aquariums and other hard-water aquatic areas.
What Activated Carbon Does?
Activated carbon has many benefits with regards to water quality and fishes’ well being. It naturally binds to free chlorine, driving it from aquarium water helping you detoxify your pool or pond faster.
Can You Use Activated Carbon in a Planted Tank?
It’s true that activated carbon is best suited for open spaces where it can do its job effectively among other things. If you’re using an aquarium filter, then no worries as this process will not affect the plants in any way at all.
How To Use Activated Carbon In Your Aquarium?
Activated carbon is a substance that is used in the filtering process of water to remove impurities from the water. It is typically used as a pre-treatment before other treatments such as a protein skimmer or a UV sterilizer. It can also be used as a post-filter after a bio filter to help control ammonia and nitrates levels in the aquarium.
Can Activated Carbon Kill Fish?
No, activated carbon does not kill a fish it removes hazardous impurities from the water and provide balance so your aquarium remains healthy for you.
How Often Should I Change the Charcoal in My Fish Tank?
These materials can last for a very long time and depending on the frequency of cleaning you perform is something we recommend to change it after 10 months maximum.
Is there a difference between high-grade and low-grade carbon for my aquarium filter?
Carbon filters are graded by weight. The higher the grade, the better quality the filter will be. High-grade carbon has a smaller pore size which means it can hold more water and is less likely to clog up. Low-grade carbon also has a larger pore size but this allows more air to pass through, increasing dissolved oxygen in your aquarium.
What is Carbon in Aquarium Filters?
The type of carbon used in aquarium filters for decades is actually technically called activated carbon. It is a popular filtration media product.
Benefits of Having Carbon in My Aquarium Filter
Activated carbon absorbs and adsorbs contaminants in the water such as chlorine, phenols, and tannins (all of which are causes of headaches for aquarium hobbyists). Absorption is the process of trapping contaminants in the pores of the filter. Adsorption, on the other hand, is a chemical bonding process.
Disadvantages of Having Carbon in My Aquarium Filter
But there are toxins that carbon does not filter out. And these toxins are a big deal because they are prevalent within an aquarium ecosystem. Ammonia, nitrite, and nitrate naturally develop due to the inhabitants of an aquarium.
My Verdict
After looking at the pros and cons of having activated carbon as a filtration media in my aquarium, carbon seems like an added cost. I would have liked it better if it can filter out ALL toxic contaminants and pollutants if I had to change it every month.
Conclusion
Carbon filters out chlorine, tannins, phenols, and medication – but it can’t filter out ammonia, nitrite, and nitrate. It requires to be replaced monthly and yet doesn’t eliminate the need to clean and replace the aquarium’s water.
What Is Activated Carbon?
Activated Carbon is a very porous substance that has been heat-treated at extremely high temperatures. This heating process has created tiny pores and a huge surface that attracts and retains organic chemicals inside it.
What Does Activated Carbon Do?
This is a great way to remove unwanted chemicals, contaminants, or even medications. It breaks down water-coloring substances (chloramine and chlorine, tannins), and also water-smelling substances (phenols). So, it does both, cleans the “stinky” aquarium, and makes the water cleaner.
Does Activated Carbon Absorb Or Adsorb?
Activated Carbon for aquarium filters has adsorption power. Although there are stories that once it reaches its capacity, it starts releasing adsorbed materials back into the water – this is not true. Although technically possible, it requires special conditions that the aquarium never achieves.
How Long Does Carbon Last In Aquarium Filter
The frequency of carbon change in your aquarium depends on several factors. This primarily refers to the number of fishes, the size of the tank, and the quality of the carbon you use. You can choose a time frame of 6 to 8 weeks.
Recharging – True Or False
Just like the stories our grandparents once told us a long time ago, we fear that the stories of recharging activated carbon are just a mere myth. The reason is very simple. Conditions are extremely difficult to achieve at home.
Where To Place Activated Carbon In Filter
It is generally known that it loses its effectiveness with high exposure to contaminants/debris. Therefore, it would be best to place your activated carbon after the mechanical filtration medium in the filter. This will allow it to work properly and extend its life.
How Much Carbon Should I Use?
Its quantity depends on the tank itself. If you are a beginner, it would be best to start with a smaller amount and monitor the clarity and smell of the water to determine if that amount is ideal. Remember – the less carbon, the more frequent the change.
Can you put too much carbon in a fish tank?
No, it is generally believed that there is no truth in the fact that too much carbon can affect a fish tank negatively.
Best Activated Carbon for your filter
One of the most recommended activated carbon for your filter is from MarineLand Diamond. Their Premium Activated Carbon is one of the best choices when considering price and benefits.
What is granular activated charcoal made of?
EnviroSupply Granular Activated Charcoal is made from coconut shells. There are also carbon filtration products made from wood, cherry pits and even recycled tires. The raw material used to make the activated carbon has a tremendous influence on the properties of the final product.
What is activated carbon in aquariums?
Activated carbon filtration has a long history in the aquarium hobby. It’s the most-used filter media in freshwater and marine aquariums world-wide. Just about every hang on the back filter cartridge contains activated carbon. Canister filters also use carbon filtration. Even reef tanks with filter sumps and protein skimmers make use of carbon’s assorptive properties.
Why is activated carbon used in filtration?
Activated carbon is used in industry and at home for adsorbing a wide range of impurities from liquids and gases.
Why is coconut shell carbon used in air purification?
Another reason pelletized coconut shell carbon is used for air purification is its small pore size. Powdered activated carbon, made from coal or coconut shell can be glued to a synthetic filter pad, creating an activated carbon filter pad.
What is the difference between charcoal and coal?
Perhaps the best place to start is the difference between charcoal, coal and activated carbon. Charcoal is what you burn in a barbeque grill . Charred sawdust is compressed into briquettes and used for outdoor grilling. Coal is a hard carbon-rich substance mined from the Earth. Coal is formed when dead plant matter decays ...
Where are carbon filters made?
Many carbon products are made in China. But you’ll also find filter carbon produced in the Netherlands, United States, UK, Indonesia and Thailand.
Can you use activated carbon in saltwater?
There is no special way to use activated carbon in a saltwater aquarium. It’s basically the same as a freshwater aquarium. If you have an all-in-one reef aquarium with a built-in filter, you’ll simply use a filter bag filled with the carbon of your choice.
What does carbon do in an aquarium?
What does aquarium carbon do? What carbon does, is absorbs contaminants in the water. Things like tannins and the nasty stuff that makes your tanks stink after a while. It’s an easy product to use, that just helps to keep the tank clean and crisp and keep it from smelling like rotten eggs.
Can you put carbon in a planted tank?
Don’t use carbon in a planted tank. Carbon also absorbs a lot of the things floating around in your aquarium, that your plants would typically thrive on. So adding carbon to a planted tank is basically going to absorb all of those nutrients that your plants use to thrive on, and it’ll absorb your fertilizers. ...
