Beyond doubt, obtaining adequate amount of carbon dioxide into a planted fish tank could be intricate. Indeed, this is one of the reasons why opting for the best CO2 diffuser for aquarium is deemed as quite indispensable for your live aquatic plants to shoot up inside the tank.
These products are especially built to be capable of adding the appropriate amount of CO2 instantly and without any hassle. The good news is that they are relatively less pricey and no sweat to set up in the tank.
It is noteworthy that freshwater fish tank plants take in CO2 and dispense O2 into the tank water. Hence, they require more CO2 to bloom as compared to what is already derivable from most freshwater fish tanks. And, this is where a carbon diffuser makes a very vital device for most aquarium owners to invest in.
Luckily, there are a considerable number of carbon dioxide diffuser options to select from on the market nowadays; however, you cannot just simply get one of these without much insight of the necessary features that you need to look through.
If you hope to ensure that you’re getting the right carbon dioxide diffuser model for your live aquatic plants, carefully mull over the following product reviews discussed on the rest of this article.
Table of Contents
- Best CO2 Diffuser for Aquarium Reviews 2020
- 1. JARDLI Pollen Glass CO2 Diffuser
- 2. Yagote CO2 Glass Aquarium CO2 Diffuser CO2
- 3. JARDLI Pollen Glass CO2 Diffuser with Bubble Counter
- 4. Fibst CO2 Diffuser for Aquarium
- 5. JARDLI Glass CO2 Diffuser U-Shape
- 6. STARSIDE Aquarium CO2 Regulator
- 7. Hagen Fluval Ceramic CO2 Diffuser
- 8. Bluecell Aquarium CO2 Regulator
- 9. Yagote CO2 Diffuser Stainless Steel Reactor
- 10. ST International Aquarium Glass Diffuser
- What To Look For When Buying An Aquarium CO2 Diffuser
- Other Important Factors To Consider
- Frequently Asked Questions
Best CO2 Diffuser for Aquarium Reviews 2020
1. JARDLI Pollen Glass CO2 Diffuser
This product is the best bang for the money considering its amazing features and functions. For a fact, it can be regarded as one of the best CO2 diffusers for large aquarium. This can ensure very efficient carbon dioxide atomization and this is made possible by its ceramic membrane.
You do not need to continue your search because this model can do wonders in enhancing the health and growth of your fish tank plants through effectively providing them with adequate amount of carbon dioxide. So, no matter how large your aquarium is; this can function for your CO2 needs.
Additionally, its U-shape connecting tube is especially meant to help ward off the blockage of carbon dioxide flow inside the tank. It is wide enough in terms of distributing the carbon dioxide over a greater surface area to guarantee a more excellent absorption process. No wonder why it is more preferred for having the capacity to saturate water more excellently.
However, this diffuser also comes with a few downsides that you need to carefully inspect. While it is made with lovely glass construction, it can be a little bit difficult to handle since glasses are fragile objects. Also, there is a greater likelihood for algae to be clogged.
2. Yagote CO2 Glass Aquarium CO2 Diffuser CO2
If you are looking for a pocket-friendly CO2 diffuser aquarium, then this model will serve you right. This is made of a stunning spiral design and a beautiful see-through glass that gives it a more elegant look.
In point of fact, this product is known for its premium quality and high performance ability. There are atomic pores equipped on the surface of the ceramic diffuser disc wherein these make it capable of generating tiny bubbles that move up gradually and can guarantee powerful CO2 diffusion inside the tank.
Moreover, this is very useful and convenient to have. It is not a pain in the neck to set up and operate mainly because it already comes with a suction cup and it can be solidly fixed in the fish tank. If you prefer or if needed, you could easily adjust the position instantly. This can serve aquariums that contain 15 by up to 50 gallons of water.
On the other hand, this CO2 diffuser’s ceramic disc is made with a small size. And, its glass construction appears to be fragile. Thus, it is a must to handle it with more caution.
3. JARDLI Pollen Glass CO2 Diffuser with Bubble Counter
When it comes to providing the adequate amount of carbon dioxide supply to your live aquatic plants living inside the tank, this model is definitely a smart decision to go for if you prefer superior quality aquarium diffusers. It is good news to know that this model can be obtained in two distinct sizes wherein each of these uses a ceramic disc for carbon dioxide atomization.
In the same way, this product is proudly made with very exquisite design. And, it has the capacity to ensure providing efficient CO2 atomization through its ceramic membrane. This is also furnished with a built-in bubble counter that makes a reliable performance.
As you can see, you need not go far just to end up with the appropriate carbon dioxide diffuser for you. This option is already adept at supplying sufficient amount of CO2 for your aquarium plants to remain healthy and fresh. And, since plants can get the necessary amount of CO2, they can bloom more and survive even when they dwell inside the fish tank.
Nevertheless, this CO2 diffuser is somewhat made with frail glass construction making it quite fragile to use. And, it has the potentiality to easily get dirty or may be prone to algae buildup. Thus, regular cleaning may be necessary. If you’re not fine with that, then this might not be the right option for you.
4. Fibst CO2 Diffuser for Aquarium
This product is engineered with a reliable and superior quality CO2 bubbler and can guarantee a dynamic CO2 dispersion inside the aquarium. Its elegant design does not only highlight its capability to work as a dependable carbon dioxide diffuser but it also adds more appeal to its overall look.
What makes this a standout choice among others is its mirror-like finish and U-shaped hanger. It is built with a sturdy ceramic disc too that works greatly at ensuring successful dispersion of carbon dioxide supply inside the tank.
Available in two distinct sizes, the ceramic available in each unit is securely attached within the cup. This can be easily opened at the time you need to tidy the disc. And, as a matter of fact, this makes it a no trouble task to clean up and there is no way for the carbon dioxide to escape.
All the same, two downsides that you need to know regarding this CO2 diffuser version is that; first, it is not equipped with a flow control valve. And the second flaw is that it is designed with tiny carbon dioxide diffuser surface area.
5. JARDLI Glass CO2 Diffuser U-Shape
If you are shopping for an aquarium CO2 diffuser that is specifically intended for your small fish tank, then this is it. This is proudly designed with U-shape hanger style that provides the aquarium a more exquisite look.
In point of fact, many small aquarium owners prefer this option precisely because it can work wonders in breaking down CO2 gases into small and light streams of bubbles. This is made possible by its atomic pores that are equipped on its ceramic disc.
In like manner, it is touted as one of the topnotch options for CO2 diffusers in that it is powerful when it comes to guaranteeing fuller CO2 dispersion inside the aquarium. It is worth noting that carbon dioxide disintegrates into the water with greater surface area to volume ratio.
Notwithstanding, this nano CO2 diffuser is not as sturdy as advertised and may only be identical with other glass-made versions that are fragile to utilize and require utmost care. Indeed, it does not fit standard tubing quite well which is a contrary to what was indicated in the ads.
6. STARSIDE Aquarium CO2 Regulator
Without any shadow of doubt, investing in a first rate planted tank CO2 diffuser that could help your aquatic plants enjoy a safe and healthy environment inside the tank could be a highly demanding task.
This product is well worth the money given its sterling features. It comes with U-shape design that is not only meant to execute what it was mainly designed for but to also create a more attractive overall appearance in the aquarium.
And, most importantly, since it can successfully diffuse carbon dioxide inside the tank, the plants get more opportunity to grow healthily and stay fresh and be able to revive their vibrant colors.
Thus, when your aquatic plants inside the tank are colorful and alive, this could ensure very relaxing scenery to behold after a long and exhausting day at work.
Furthermore, this diffuser is equipped with reliable and high bending resistance feature. It generates a pretty stream of tiny bubbles that are also fine and light. If you’re going to observe closely on how this device accomplishes the job, you’ll see that it does a great performance in executing the job right.
Be that as it may, there are a few drawbacks that you need to expect if you get this model and the first one is that this diffuser has the potentiality to become clogged easily and also it may necessitate high pressure for it to enable successful flow.
7. Hagen Fluval Ceramic CO2 Diffuser
This CO2 diffuser kit comes with a decent price and lots of practical features that would stun you. It is specifically recommended for use for fish tanks that come in smaller sizes. And, the best of all, this provides one great way to aquarium owners to effectively come up with the suitable amount of carbon dioxide supply to their aquarium plants and various fish species to thrive.
The reason why it is crucial to purchase a CO2 diffuser for your fish tank is that this offers a plenty of benefits to your fish tank dwellers particularly in guaranteeing a risk-free and unimpaired environment for them. By happy chance, this product is the right choice in that it does not only provide the right amount of CO2 in the tank but it could also help your aquarium inhabitants remain in good condition and safe at all times.
Nonetheless, this diffuser is similar with other models out there that tend to clog easily. Aside from this, it is more likely to bring about instant accumulation of algae inside the tank.
8. Bluecell Aquarium CO2 Regulator
Are you having some concerns about what suitable CO2 pump for aquarium to get? For sure, you are one of the many aquarium keepers out there who wish to ensure that their aquarium pets get the right amount of carbon dioxide supply to keep them alive, fresh and having a fun-filled experience living inside the tank.
If that is so, then it is high time for you to pick the one that could help you make this dream a reality. Luckily, this diffuser does not come with an expensive price tag yet it has the features that other expensive models have. If you’re into exceptional performance, then there is no reason to think twice whether you’ll go for this version or not.
As compared to other models, this does not cause the flow of carbon dioxide to be easily blocked. Its built-in bubble counter is well-constructed so it can promise a dependable function. What is more, this works superiorly at creating a safe and sound hub for both fish and plants to enjoy even when they are confined inside the tank.
On the other hand, please be reminded that this is made of very thin glass material that makes it quite fragile to utilize if not managed with extra caution. And, you need to be extra careful too when inserting the air hose because this comes with frail built that could break it easily if too much pressure was exerted.
9. Yagote CO2 Diffuser Stainless Steel Reactor
Undeniably, we all settle for a functional and durable fish tank diffuser that is capable of creating a cleaner, safer and healthier habitat for our fish pets and aquatic plants to delight in. This device can supply the needed amount of carbon dioxide to various kinds of aquarium plants, and as a result, it can guarantee the health and nutrition of your most precious live aquatic plants.
What makes this diffuser a great investment is that aside from its functionality, it could also integrate well in the fish tank environment. It is purposely designed with sleek lines and tubular shapes in order to ensure reducing the speed of water and aid in disintegrating carbon dioxide more effectively. As you know, this works practically when it comes to providing fish tank plants a friendly hub where they could flourish and stay vibrant.
Once purchased, the suction cup is already included in the package. This is uncomplicated to set up and you can start operating it and fastening it into the fish tank solidly. If you want, it is also possible to adjust the position.
For all that, please take in mind that this diffuser is known for producing large streams of bubbles and once bought, it usually does not include the suction cap yet. Hence, you need to purchase this separately.
10. ST International Aquarium Glass Diffuser
This diffuser does a fantastic job at providing lovely and vibrant aquarium plants with the necessary amount of carbon dioxide they especially need to survive even when they reside inside the tank for a long period of time. With alive, fresh and healthy aquatic plants happily dwelling in the tank, you can have nice scenery to keep glancing at whenever you feel stressed and overly tired.
Just like other costly and renowned brands available these days, this device has the capacity to break down carbon dioxide into light, tiny and fine streams of bubbles that are instantly dispensed all through the fish tank. Therefore, when plants are supplied with the necessary CO2, they remain alive and in good condition at all times giving your aquarium a colorful and stunning sight to be enjoyed by everyone.
Truth is, with a practical device like this, you won’t have to worry about the wellness of your live aquatic plants because their needs are properly managed.
Meanwhile, there are two weak sides that you need to uncover about this diffuser. First, it somehow generates audible sounds but luckily this isn’t that annoying. And, the other one is its being fragile. As you can see, it is made of glass material, even though the glass is of high quality, if not handled with extra care, it can always break easily.
What To Look For When Buying An Aquarium CO2 Diffuser
Since nearly all aquarium-related devices or equipment are quite pricey to invest in nowadays, it is just wise for you to give it some deep thought first. This is for you to ensure that it matches your needs and style, and most importantly it should fit your aquarium size quite well.
There are several considerations you need to give thought to prior to making the final decision on the right carbon dioxide diffuser unit for your fish tank and a few of these consist of:
Materials it is made of. In general, carbon dioxide diffusers are built with stainless steel or glass materials. The former helps make the device possess a mirror-like appearance when submersed in water. It is much more durable as compared to glass-made CO2 diffusers, it is not prone to get easily damaged and does not necessitate extra caution when use.
On the other hand, the latter definitely blends quite aesthetically with fish tank water. But, such models can easily break and delicate handling must be taken seriously.
Furthermore, if you are the clumsy type, glass versions are not ideal for you. Nonetheless, if you are the careful type and you know for yourself that you can handle it with lots of care, then you won’t have a problem investing in one.
Ease and convenience of use. A lot of CO2 diffuser versions are not troublesome to clean and maintain. Those that come with ceramic discs are a lot easier to manage since they only require bleaching agent to get rid of the discoloration and afterward, thorough rinsing will get the job completed.
Meanwhile, there are some models that require the ceramic to be changed into a brand new one after a specific period of time. These are no hassle to maintain primarily because a replacement does not call for cleaning to be done.
Compatibility to your fish tank. First, it is imperative to inspect the carbon dioxide diffuser’s compatibility with the size of the fish tank. Such device comes in different sizes and shapes. The size of the tank is usually figured by the size of the ceramic disc.
In short, the tinier the disc, the smaller the surface area for dispensing carbon dioxide bubbles, and as a result, the tinier the tank that it could manage.
It is significant to understand that a number of devices that are designed with ceramic discs that come with a size of 2 inches and above in diameter are highly recommended for bigger-sized aquariums that contain beyond 70 gallons of water.
See to it to inspect the device’s tank capacity prior to the final purchase decision so that there won’t be any way for you to under or over immerse your aquarium with carbon dioxide.
What accessories to add. Consider looking for packages that already consist of other indispensable accessories that are needed when operating the diffuser.
This will help you save more on the cost of buying them separately. Some of the accessories that you need to ponder on include suction cup, air flow control valve, and rubber tubing.
Other Important Factors To Consider
What is a CO2 diffuser for aquarium? How does it work?
This refers to a device that has the objective to dissolve the carbon dioxide from the regulator into the fish tank. It is fastened to the tubing that is linked at the bubble counter, which serves as a component of the carbon dioxide regulator.
It works by means of breaking down the large bubbles from the bubble counter into light and smaller bubbles to be disintegrated into the aquarium more effectively and without much struggle. This will them heighten the carbon dioxide level in the fish tank water.
What are the different types of aquarium CO2 diffusers?
- CO2 Reactor
This is popular for being one of the most costly types of diffusers and is capable of providing the highest output of carbon dioxide. Such unit is highly practical for use for fish tanks that come in bigger sizes.
- Ceramic Glass CO2 Diffuser
This is generally immersed into the aquarium and is safely secured to the fish tank glass with the aid of a sturdy suction cap. What’s more, this produces light and tiny bubbles and is sold at a much affordable price tag.
- In-line CO2 Diffuser
This is commonly attached to the fluvial canister filter and it is useful for fish tanks that contain large amount or more gallons of water. Such unit is highly recognized for being quite efficient and safe to utilize. You could save more on carbon dioxide consumption mainly because the carbon dioxide that enters the water has significant amount of time to disintegrate.
- Airstone Diffuser
This type of diffuser is not highly recommended. For a fact, it is only a waste of money to invest in. It produces large carbon dioxide bubbles and this makes it difficult for carbon dioxide to be dissolved into the fish tank.
- Ladder CO2 Diffuser
This one is specifically built for fish tanks that come in smaller sizes. It works efficiently and you can get it at a very pocket-friendly price tag. Its name was actually derived from its ladder-like shape.
Why do you need a CO2 diffuser? (Benefits)
Carbon dioxide serves a paramount role when it comes to the successful growth of aquatic plants living inside the fish tank. Plants utilize it as their primary source of carbon and if the level is purposely augmented through injection, then aquatic plants’ growth shall also rise in a suitable manner.
Moreover, plants require carbon dioxide because it is a valuable source of carbon that is especially indispensable not solely on the production of glucose but also of other nutrients such as proteins, fats, chlorophyll and DNA. Fundamentally, carbon is vital for plants to blossom and stay fresher and greener.
The perks of using carbon dioxide diffuser for your fish tank include the following:
- You can rely on faster growth for all types of aquatic plants inside the tank.
- This is a device that’s not generally priced expensively.
- You can utilize or add various kinds of plants in the aquarium.
- This is typically easy and convenient to use, no trouble to maintain and operate.
Frequently Asked Questions
What are the most trusted CO2 diffuser brands?
Some of the most reputable and highly trusted CO2 diffuser brands comprise of the following:
- Yagote CO2 Glass Aquarium CO2 Diffuser CO2
- Fibst CO2 Diffuser for Aquarium
- JARDLI Pollen Glass CO2 Diffuser
- STARSIDE Aquarium CO2 Regulator
- Yagote CO2 Diffuser Stainless Steel Reactor
Can I count the bubbles? Should I buy a bubble counter?
A bubble counter is a vital technical component in the carbon dioxide supply of live aquarium plants through carbon dioxide system. It is described as a tiny receptacle that is filled with water. To put simply, you can easily monitor the amount of carbon dioxide being entered into the fish tank with the aid of a bubble counter.
It is interesting to note that the bubble counter works by transmitting the carbon dioxide through a liquid in order for fish tank owners to easily and accurately count the bubbles in the system.
In addition, the number of bubbles is generally gauged at the specific time unit and this aims to provide the aquarium keeper a specific value to compute with, allowing him to keep track of the carbon dioxide amount being introduced in the fish tank so he could possibly make some correlations with the recommendations.
How to install?
- Utilize your spanner to link the CO2 regulator to the carbon dioxide bottle.
- Carefully connect the solenoid to the CO2 regulator.
- Fasten the solenoid to the bubble counter with the aid of the carbon dioxide tubing.
- Connect the bubble counter to the unit by utilizing the CO2 tubing.
- The CO2 diffuser needs to be solidly mounted in your aquarium that is close by the bottom section.
- Link the solenoid and then appropriate set the timer so it could begin dispensing accurate carbon dioxide.
- When everything is all set, it is high time to slightly open the needle valve on the CO2 regulator prior to opening the bottle to dispense gas. In so doing, this shall considerably aid in warding off a few specific components from being impaired.
- Turn on the primary valve on the carbon dioxide bottle so it could start dispensing the carbon dioxide.
- Then, it is critical to open the needle valve gradually till you observe the bubbles start to come through the unit’s bubble counter. It is highly advised to consider moving the needle valve only with very tiny amounts since these could be delicate.
- Gauge the carbon dioxide amount in the tank water with the aid of a drop checker and this must be done right after a few hours after you switched the unit on. Be sure to only make the needed adjustments relying on your current needs.
- You may consider getting an electric timer connection for the solenoid if you prefer. In so doing, it won’t be difficult for you to precisely regulate when carbon dioxide is being dispensed into the water and when it isn’t.
How to use?
To start operating, you need to link the unit with the end of the carbon dioxide tubing that is fastened to the carbon dioxide regulator found at the bubble center. In addition to this, the carbon dioxide inflow from the regulator will then access the aquarium as soon as the device is immersed into the tank. And, as an outcome, this will increase the level of carbon dioxide inside the fish tank.
Please be guided that if the device serves as an add-on to the regulator, this would just begin operating when it is immersed into the aquarium and linked with the carbon dioxide tubing. On the other hand, it is somewhat like a type of pump or a do-it-yourself device; this would require power for it to fully operate.
How to care & store?
CO2 diffusers are easy to use, operate and maintain. However, for those glass-made versions, it is a must to handle them with extra care as they could be frail and could get easily damaged.
When it comes to cleaning the device, you may consider utilizing water solution or chlorine bleach and soak it in clean water for 24 hours. For this, you will need to use 2 tablespoons of prime to dechlorinate. See to it to rinse the unit thoroughly after the cleaning procedure.
When storing the device, keep it in a safe place that is cool and dry. Keep it away from children to prevent it from getting damaged. Glass-made diffusers should be handled with utmost care. You may store it separately from other devices to avoid any unfortunate incidents.
Where to buy?
You can buy carbon dioxide diffusers in different sizes, price range, design and shapes. These units are not cumbersome to find, and as a matter of fact, you can start your search in local fish or pet stores nearby your place, Walmart, Petco, Petsmart, eBay, Amazon and many other legit and reputable online shopping sites that you can browse on the web.
Laid on the line, all types of aquatic plants need to be provided with adequate amount of oxygen as well as carbon dioxide in order for them to stay alive, vibrantly colorful and fresher inside the fish tank. And, to achieve this, the best CO2 diffuser for aquarium can help you ease the job of maintaining the safety and good health of your live aquarium plants.
Assuredly, by using the appropriate unit for your fish tank, your most valued plants will have all the things they specifically necessitate to keep flourishing, and thus, give you the happiness and satisfaction in viewing a nice-to-behold aquarium inside your dwelling place.
By the same token, the different CO2 diffuser brands that were exhaustively detailed above can serve as a practical guide for you to end up investing in the one that could perfectly blend with your aquarium and could meet all your requirements and preferences.