What is the Best Beneficial Bacteria for Aquariums?

What is the best beneficial bacteria for aquariums? The best aquarium bacteria supplement will introduce the microorganisms needed to your tank for fish to ensure that the ecosystem is sustainable for fish, invertebrates, and all other aquatic creatures.

A healthy number of bacteria is crucial to a healthy tank and is only possible from a complete water cycle and stable conditions for water.

Utilizing the best aquarium bacteria supplement in your tank is more beneficial to your fish and plants than it might sound. Murky, muddy water resulting from the waste of fish and plant waste is an essential aspect of keeping an aquarium. It is something that filters that are the most effective cannot stop.

Sure, you can wash your tank more frequently as well as perform full and partial water changes more frequently than is necessary. But is there an alternative method to ensure that the water is clear?

This is where bacteria supplements are available. They are beneficial bacteria that do a large amount of job for your tank by dissolving dirt and other particles that are a problem for both plants and fish making the water more clear and free of harmful toxins. This is not just for enjoyment, but also for the benefit of your fish as well.

Continue reading to learn more about nitrogen cycles, the best aquarium bacteria supplement, and 10 of the most effective aquarium supplements to help start your new fish tank.

Best Aquarium Bacteria Supplement Table

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

What is the Best Beneficial Bacteria for Aquariums?

Before we dive into the review Let’s discuss how to ensure that you are selecting the best aquaculture bacteria for your aquarium. It sounds easy, isn’t it? Wrong!

There are many aspects to consider when choosing the best bacteria for your aquarium but do not worry, that’s where we can help. We’ll examine some of the aspects you need to think about prior to making a decision on a specific aquarium bacteria. Let’s start.

Is This a New Tank?

Have you chosen the kind of aquarium you want to install? If not, you’ll have to decide between freshwater, saltwater as well and coldwater. Fish belonging to these three categories cannot be combined in tanks since they have distinct requirements for water. Conduct some background research before making a decision in case you’re not sure.

One of the major aspects when choosing an aquarium is the way that the fish appears. For instance, Betta is a freshwater tropical fish that is available in a range of colors.

The most striking thing about them is the fact that they sport long, flowing tails that move on the surface. If that is the type of fish that you’re after, then opt for a freshwater aquarium.

How Big Is Your Tank?

This isn’t necessarily crucial in determining the type of aquarium bacteria to purchase however it is crucial when it comes to how you will use it. If you’re just beginning to learn about the use of the bacteria that you have in your tank, it is possible to think that the recommendations for dosage on the package are appropriate for all sizes of aquariums.

However, this isn’t always the situation. If you accidentally overdose your tank with bacteria, you could observe that your fish is sick. In the same way, using too many bacteria will delay the desired results.

Where Are You Putting the Tank?

Location and location…place an aquarium within a room that is brightly lit or in direct sunlight, which can stress the fish. If you own an aquarium with a lot of plants but are free of fish, the plants might not develop as fast as you’d like due to excessive sunlight.

It is also essential that the area that they live in is calm and isn’t cluttered with distractions. Fish aren’t a fan of loud noises or having their tanks tap or poked.

The stress of these situations could cause them to become depressed and can cause them to be killed regardless of how well they take care of the tank.

When to Add Bacteria Supplements in Aquarium?

It is likely that your aquarium will require bacteria added often and regularly. Keep in mind the four primary occasions for adding the bacteria and the reason why it is crucial and you’ll be on your path to maintaining a healthy and healthy aquarium.

Here are the best occasions to add a supplement of bacteria and the primary reasons for doing so.

Cycling a New Aquarium

When you first start setting up your tank, it may take a few weeks, possibly even weeks before you are able to add your fish to a new tank. The reason for this is that the tank must be cycled first. The idea behind cycling your tank is that you create conditions that are similar to the ones that fish discover in their natural habitat.

Fish produce a variety of toxins that can be harmful to them if they remain on the surface for an extended period of time. Your tank will be completely cycled if there are bacteria within your filter that naturally convert ammonia into Nitrite and then from nitrite to nitrate.

After this is complete, the tank will be suitable for your fish and you will not be at risk of “new tank syndrome.” The use of aquarium bacteria supplements can help speed this process along and will introduce the correct type of neutralizing bacteria to the tank.

New Tank Syndrome A condition where fish become sick or die because of the accumulation of toxic contaminants within the tank. This is usually the case when an aquarium is newly constructed and the fish are put in the tank prior to there being enough growth of ammonia-fighting bacteria, which creates an environment that is fish-friendly.

Adding New Fish

If you’re looking to add new fish to the tank you already have You should consider adding some drops of bacteria supplements to ease the stress for your fish.

The more fish that there are in the aquarium, the greater amount of gasses they release into the water and the greater amount of waste that is in the water that must be broken down.

In the absence of additional supplements, it can result in ammonia peaks as well as waste settling, and an increase in rotting within the tank.

Water Changes

When you perform a part-time water change, you’re getting rid of 20 or 30 percent of the very stable water from your tank. The water you’re adding will not be at the correct PH that your fish needs.

The water could not be soft enough or filled with chlorine if it was sourced straight from the water tap. So you’ll require your tank cycle time and adding bacteria supplements will aid in the process.

Medicating Your Fish

If your fish is sick, there’s no other choice but to administer antibiotics. This can be done through the food for fish or antibiotic drops that are dissolved in water.

The medication can cause some trouble with the beneficial bacteria that are present within the aquarium. The antibiotics do not just remove any illnesses that are present, but they also kill healthy bacteria you’ve put so much effort into building within the tank.

Once you are aware of the best time to utilize your aquarium’s bacteria and why it’s crucial, let’s begin to look at the best bacteria-friendly supplements available.

These are our top 10 supplement choices on the market, along with an overview of their features as well as what we consider to be good about them, and the things we don’t think are great about them.

What are the Best Beneficial Bacteria for Aquariums?

Our Best Aquarium Bacteria Supplement Reviews and Comparisons:

API Quick Start Nitrifying Bacteria

API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 16-Ounce Bottle
  • Contains one (1) API QUICK START Freshwater and Saltwater Aquarium...
  • Allows instant addition of fish when starting a new aquarium
  • Reduces compounds harmful to fish when used routinely
  • Helps prevent fish loss in freshwater and saltwater aquariums
  • Use when starting a new aquarium, when adding new fish and when...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

API Quick Start Nitrifying Bacteria API Quick Start Nitrifying Bacteria keeps the water in good condition to stop your fish from contracting diseases.


  • Each bottle has 16 ounces of fluid
  • It is suitable for freshwater and saltwater aquariums
  • Reduces harmful chemicals that are present in water
  • Helps prevent the loss of fish and plants

What We Like About API Quick Start Nitrifying Bacteria

The product will start an unnatural cycle in your tank fast without having to treat your tank. The bottle is clear and easy to follow instructions included on the bottle to ensure that it’s simple for beginning aquarium enthusiasts to utilize.

Additionally, the bottle is guaranteed to last a long time. One of the most remarkable features is that it drastically decreases the amount of ammonia that is in your tank, even after the other options have been unsuccessful.

What We Don’t Like About API Quick Start Nitrifying Bacteria

It can cycle older aquariums more efficiently than the newer ones, so “new tank syndrome” could remain an issue. It may also not cycle a brand-new aquarium in the same way and you should keep your fish in a different tank when you cycle your new tank or they might become sick.

The article states that you can add the fish right away, but be sure to check your water’s pH for levels of ammonia as well as Nitrates before you add it since this can be different from time to time.


  • Excellent for tanks with a history
  • Includes instructions
  • It is available in a matter of days
  • The bottle should last for a time


  • It’s not a good idea to use new tanks
  • Do not add fish immediately
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Tetra Cleaning Aquarium Bacteria

Tetra Cleaning Bacteria 4 Ounces, for A Clean Aquarium and Healthy Water, (Model: 77997)
  • BENEFICIAL BACTERIAL BLEND: Replenishes beneficial bacteria to help...
  • BIOLOGICAL BALANCE: Works to keep your aquarium healthy and...
  • FOR SUPERCHARGED FILTRATION: Cleans gravel and removes sludge and...
  • CONVENIENT: Use the cap to measure and dose.
  • USAGE: Use monthly, or when setting up a new aquarium, after a water...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

Utilizing this bacteria is straightforward simply sprinkle a handful of drops of it into your aquarium’s water each month or as often.


  • Reducing general trash in aquarium water
  • Maintains good bacteria levels.
  • Improves and aids in the process of filtering
  • Nitrate and ammonia levels in the water are reduced significantly
  • The water is balanced by biological processes.
  • It is simple to use. One capful contains one dose

What We Like About Tetra Cleaning Aquarium Bacteria

The tank could change from needing a water filter change every week to having to change it every month when you are using this product. This is also beneficial for the growth of algae that is caused by certain lighting.

Tanks with a tendency to become muddy and murky are noticeably cleaner. In addition, it keeps ammonia levels and nitrate levels within the water to a minimum or completely absent.

What We Don’t Like About Tetra Cleaning Aquarium Bacteria

Fish can be damaged if doses aren’t followed in accordance with the directions. It is essential to ensure that the fish in your tank benefit from the presence of bacteria present in the water.

Certain species of fish can get bacteria-related infections if they’re not exposed to the bacteria present in the water. Some fish can become extremely stressed when the remedy is added to water.


  • Reduces tank cleaning time
  • Reduces ammonia and nitrates
  • Reduces algae growth
  • Helps maintain a balanced water supply


  • This could cause the fish to be more susceptible to infections caused by bacteria.
  • Damages delicate fish
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SeaChem Prime For Fresh And Saltwater Aquariums

Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier 500 ml
  • POWERFUL TREATMENT: Seachem Prime is a complete and concentrated...
  • REMOVER: Seachem Prime immediately and permanently removes chlorine...
  • DETOXIFIER: Seachem Prime effectively detoxifies ammonia, nitrite, and...
  • USE: Use 1 capful (5 mL) of Seachem Prime for each 200 L (50 US...
  • SAFETY: In case of an emergency, the 5x dose of Seachem Prime may be...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

Get rid of chlorine and metals from the tank’s water. Use it in freshwater as well as saltwater aquariums.


  • Doesn’t over-activate protein skimmers
  • 100 milliliters is enough to treat 1,000 Gallons of tap water
  • It helps to detoxify nitrates and ammonia.
  • Cleans and clears the water.

What We Like About SeaChem Prime Bacteria

It is possible to use your tank to cycle without having to get rid of the fish, and it does an excellent job of cleaning the high levels of nitrate within your aquarium. It’s only necessary to use just a few drops at a time and, in doing so, the plants and fish are protected from toxic chemicals that accumulate inside the aquarium.

The best tip is to make use of this product in smaller ponds as well.

What We Don’t Like About SeaChem Prime Bacteria

If you fail to adhere to the guidelines in a timely manner, the fish could be poisoned. The solution can occasionally cloud the water, causing black specks to develop on the walls of the aquarium. The solution has a strongly scented smell which is unpleasant, to put it mildly.

This product is able to do what marine bacteria from nature perform in aquariums (get rid of or neutralize nitrites and ammonia) It does not have any actual bacteria, and is entirely synthetic. It is suggested to use this product alongside good aquarium bacteria.


  • Ideal for large or small aquariums
  • Cleanses the tank
  • Recycles the tank
  • A small amount can go far


  • It smells horrible
  • The solution is extremely strong
  • Does not contain bacteria.
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Marineland Bio-Spira Freshwater Bacteria For Aquariums

Instant Ocean BIO-Spira Water Treatment for Aquariums, 8.45-Ounce (46798779643)
  • STARTS NEW aquariumS INSTANTLY Instant Ocean BIO-Spira accelerates the...
  • FOR SALTWATER TANKS Also use after a water change when adding new fish...
  • SHELF STABLE Does not require refrigeration
  • TREATMENT One bottle treats up to 75 gallons of water in marine...
  • Age Range Description: All Life Stages

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

This product was designed for daily use in order to cut down on the chance of sludging and improve your biofilter.


  • Instantly reduces Nitrates instantly
  • Removes ammonia
  • One packet is enough to treat 100 Gallons of water
  • Prevents ‘new tank syndrome

What We Like About Marineland Bio-Spira Freshwater Bacteria

This is a fantastic product that will aid in making the cycle of a new tank accelerate. It is a great product to use prior to adding fish to a tank that is new. The Bio-Spira microorganism makes an important difference in the quality of the water if used every month.

Your tank will be set for freshwater fish within just a couple of hours after having the water added. The fish and shrimp that live bacteria will be content and could even feed off of some of the bacteria time.

What We Don’t Like About Marineland Bio-Spira Freshwater Bacteria

The bag should be kept cool when you purchase it on the internet. It is impossible to know what it was used for and moved.

The water will turn cloudy once you pour in the mixture due to the presence of the bacteria. However, it’s been noted that this doesn’t happen all the time when using this product. If you add fish in the tank too early the fish could become sick as the levels of ammonia in the water appear to be slower to decrease as advertised.


  • Great for new tanks
  • Make sure the water is clean
  • Reduces Nitrates
  • Keeps fish happy


  • Bags should be kept cool
  • Ammonia takes a lengthy time to dissolve
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Fluval Hagen Biological Booster

Fluval Cycle Biological Enhancer, Aquarium Water Treatment, 16.9 Oz., A8351
  • All-natural water care creates a safe biological habitat to prevent...
  • Infused with a powerful team of beneficial bacteria that immediately...
  • Extremely effective when setting up a new aquarium or introducing new...
  • Regular application helps to completely exclude establishment of...
  • 16.9-ounce bottle for use in freshwater and saltwater aquariums

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

If you’re in search of an aquarium that will let you introduce your fish into the tank right away, this is the product for you.


  • Instantly makes the water safe for fish.
  • Reduces the nitrates
  • Eliminates ammonia
  • 16.9-ounce bottle
  • Helps prevent the loss of fish
  • Use in saltwater and freshwater aquariums

What We Like About Fluval Hagen Biological Booster

After your tank has been cycled the bacteria eat the ammonia in the next 24 hours, after which you can include your fish. This product can speed up the time required in order to run your tank.

This product is ideal for saltwater and freshwater aquariums and outdoor ponds for gardens. The fish will not be as stressed as normal during periodic water changes, and when you add fresh fish to the tank you start by placing just a couple of drops of this solution on a regular basis.

What We Don’t Like About Fluval Hagen Biological Booster

Shake the bottle prior to using it If you don’t then the solution will remain separate and won’t work effectively. It is essential to follow the instructions precisely to enable the tank to run faster If you do not follow them, it can result in a non-reliable prolonged cycle.

Your fish are at risk when you add the fish immediately to the tank after you have used this product. Each tank requires a different length of time for cycling based on its size and type, so you have to prepare accordingly as you cannot count on the fish being returned back to the tank in a timely manner.


  • Accelerates upcycling process
  • Fish aren’t as stressed
  • Both saltwater and freshwater tanks
  • Eliminates ammonia and nitrates


  • Can’t place fish back in tank straight away
  • The solution is separated over time
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SeaChem Bacteria Fish Tank Stabilizer

Safe, 250 g / 8.8 oz
  • The complete and concentrated conditioner for both fresh and salt...
  • Removes chlorine Chloramine and ammonia
  • Converts ammonia into a safe nontoxic form that is readily removed by...
  • May be used during Tank cycling to alleviate ammonia and nitrite...
  • Safe is the dry version of prime and shares all of its advantages,...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

A lot of aquarium owners who are just beginning to learn about keeping fish are concerned about using too much of the product. The SeaChem stabilizer for fish tanks is safe for all aquatic creatures and won’t cause harm when used for a long time.


  • Prevents ‘new tank syndrome
  • Bacteria cannot make hydrogen Sulfate
  • It contains anaerobic, aerobic, and facultative bacteria
  • Breaks down plant and fish waste

What We Like About SeaChem Bacteria Fish Tank Stabilizer

If you utilize this bacteria together with the priming conditioner, the cycle time of your tank will be reduced by half.

This is extremely convenient when you have fish that are ready and waiting to be returned to the tank. You can also keep plants and fish in the aquarium throughout the cycle process if you make use of the prime conditioner as well as the SeaChem bacteria.

SeaChem Stability bacteria SeaChem Stability bacteria are tough and adaptable to a variety of different conditions and changes within the aquarium. It helps restore the health of your filter after water changes that are very significant or after administering medication to your fish.

What We Don’t Like About SeaChem Bacteria Fish Tank Stabilizer

Contrary to the information in the directions, It is more likely that your tank won’t be fully cycled in 7 days. The bacteria don’t seem to be able to convert nitrite into nitrate. The bacteria seem to be fragile and can die quickly in the event that the bottle is not properly stored.


  • Maintains biofiltration
  • Keep the fish in the tank throughout the cycle
  • Restored the health of your filter
  • Prevents ‘new tank syndrome


  • For maximum effectiveness, SeaChem Prime must be used in combination with SeaChem Prime
  • Beneficial bacteria can cease to exist if the temperature is not maintained cool
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ATM Aquarium Nitrifying Bacteria For Freshwater

ATM Blue Shark Animal Planet Tanked Colony Nitrifying Bacteria Freshwater for Aquarium, 4-Ounce
  • CYCLES: The one that works, effectively imports actual true nitrifying...
  • AUTHENTIC: Other products don't contain the right species of bacteria,...
  • STRAINS: Nitrosomonas & Nitrobacter for primary ammonia and nitrite...
  • INSTANT: Add fish same day, not weeks later
  • PROVEN: Used and approved by commercial aquariums

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

Make sure to use this bacteria within freshwater tanks. Sea Life sanctuaries all over the globe use these bacteria for their fish tanks making them suitable for being used on both a large as well as a smaller scale.


  • Enhances the nitrifying capacity of bacteria
  • A suitable species of bacteria to use in tanks for freshwater
  • Introduce your fish into the tank within a few days (not months) after you have applied ATM Nitrifying bacteria
  • Nitrosomonas as well as Nitrobacter consume ammonia and nitrite

What We Like About ATM Aquarium Nitrifying Bacteria

If the PH of the water isn’t acidic, your tank completely cycles in four to five days. After opening, the bottle is able to last for one year.

If you own an eco-wheel filter it is possible that you will see bacteria settling around the wheel. Certain fish, such as Guppies are known to consume the bacteria while it floats on the water.

What We Don’t Like About ATM Aquarium Nitrifying Bacteria

It should be kept cool. If it is not, the bacteria inside the bottle might be killed in transit. Inviting your fish to the tank in a hurry will likely cause a loss of fish.

The ATM aquarium Nitrifying bacteria are believed to be inconclusive when it comes to the process of ammonia before turning it into nitrite. Thus, performing regular tests is essential.


  • The bacteria come out of the bottle as colonies.
  • Fish love eating bacteria
  • Cycles are refilled in 4-5 days.
  • Bacteria can be observed in the tank.


  • It is not able to convert ammonia into Nitrite
  • Should be kept in a cool location
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Gloss Factory Dry Bacteria – Freshwater Aquariums

Brightwell Aquatics MicroBacter Start XLF - Concentrated Freshwater Nitrifying Bacteria - Quick Start Fish Tank Starter, Lift Microbe Levels & Water Filtering - Aquarium Water Treatments, 4.22 fl oz
  • HIGH-POWER TANK STARTER – MicroBacter Start XLF is a powerful 15x...
  • RAPID WATER CYCLING – Optimize your aquarium’s health swiftly with...
  • FOR HIGH-DENSITY AQUARIUMS – A scientifically blended formula that...
  • ADVANCED TANK RECOVERY – Perfect for all levels of aquarium...
  • AMERICAN-MADE EXCELLENCE – Brightwell Aquatics is an...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

It is a bit different from other bacteria supplements we have discussed. Gloss Factory bacteria come in the form of a powder and remain dormant after mixing with water.


  • More than 90 different strains of bacteria
  • It is recommended to use de-chlorinated water.
  • One bottle is enough to treat 7100 Gallons of water
  • It is not suitable for a brand-new aquarium or an un-fishing cycle
  • Nitrosomonas as well as Nitrobacter convert ammonia into Nitrite and then nitrite into nitrate.
  • Aquariums that are freshwater only

What We Like About Gloss Factory Dry Bacteria

First of all, a bottle of 50 grams can last for quite a long duration. When you make a large water change, just one scoop of Gloss Factory bacteria will get the levels of water to return to normal fairly quickly.

If you pair the bacteria in conjunction with the SeaChem Prime conditioner, the bacteria will accelerate the cycle time of a new tank.

What We Don’t Like About Gloss Factory Dry Bacteria

It is not possible to use the bacteria inside saltwater fish tanks. Utilizing the bacteria in an unfishing cycle at the beginning of a new aquarium would make the bacteria useless. The bacteria will not be activated after being added to the taking thus the process will take a bit longer.


  • It is not activated until it is mixed with water
  • 50 grams last for a time
  • Long shelf life
  • Rapidly restores water levels back to their normal levels


  • This shouldn’t be used for the creation of a tank
  • Bacteria can take some time to be activated
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Dr. Tim’s Aquarium Bacteria

Dr. Tim’s Aquatics Saltwater One & Only Nitrifying Bacteria – For New Fish Tanks, Aquariums, Water Filtering, Disease Treatment – H20 Pure Fish Tank Cleaner – Removes Toxins – 4 Oz.
  • REMOVES AMMONIA & NITRITE - Contains ammonia and nitrite-oxidizing...
  • ELIMINATES NEW TANK SYNDROME - Beneficial bacteria establish a...
  • NITRIFYING BACTERIA – Specially formulated mixture of 100% natural...
  • EFFECTIVE & LONG LASTING – Our bacteria are grown together as a...
  • CANNOT BE OVERDOSED - One & Only formula is used for setting up new...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

It is recommended to make use of Dr. Tim’s bacteria when making a fresh tank. It is a live nitrifying bacterium.


  • Eliminates ammonia and nitrite
  • Prevents ‘new tank syndrome
  • This product is 100% natural, live bacteria that are 100% natural and live
  • Sulfur – and an odor-free
  • Bacteria remain active for a long period of time

What We Like About Dr. Tim’s Aquarium Bacteria

If you notice that your fish are dying quickly due to sudden spikes of ammonia in the water, this bacteria will bring your tank back to 0 ammonia and zero nitrites within 10 days of the time of application.

It’s extremely effective for the process of cycling tanks and sorting them in a way that is acceptable this is something that can be very difficult to do.

What We Don’t Like About Dr. Tim’s Aquarium Bacteria

It is recommended to use ammonia drops in conjunction with Dr. Tim’s bacteria, so it stimulate the bacteria and can work more quickly to lower levels of toxin. The bigger the tanks, the more time it takes to cycle, regardless of the number of microbes you put in the water.

It is not recommended to add fish immediately as suggested Be sure to test your water for any ammonia before adding it.


  • Tanks that are ready for new construction
  • Odor-free
  • No sulfur
  • Bacteria are able to live for long periods of the period of time


  • It takes a long time to cycle for a large tank.
  • Ammonia drops must be used along with it
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Planted Aquarium Concepts Dry Bacteria Powder

Fritz Aquatics FritzZyme 9 Live Nitrifying Bacteria Naturally Removes Amonia & Nitrite for Saltwater Fish (1-Gallon)
  • 🐟 Specialized Saltwater Nitrifying Bacteria: FritzZyme 9 is...
  • 🌊 Accelerates Biofilter Establishment: This product effectively...
  • 🙌 Convenient and User-Friendly: With no refrigeration required and...
  • ⭐ Proven Track Record in Aquatic Care: Backed by over 30 years of...
  • ❤️ Versatile Application for Biofilter Support: FritzZyme 9 can be...

Last update on 2024-05-07 / Affiliate links / Images from Amazon Product Advertising API

Product Highlights

Here are some other dry aquarium bacteria to know more about. For the product you choose to use, you will only require 1 ounce of powder in order to clean 1,925 gallons of aquarium water.


  • 1,925 gallons treated using 1 one ounce of powder
  • This contains varieties from Nitrosomonas and Nitrobacter
  • Converts ammonia into Nitrite
  • As time passes, nitrites transform into nitrates.
  • 1 scoop is made up of 1.25 billion bacteria

What We Like About Planted Aquarium Concepts Dry Bacteria Powder

The powdered bacteria help accelerate the tank cycle process. These specific bacteria will last longer due to their greater quantity than the liquid ones. They require less effort to cycle the tank.

What We Don’t Like About Planted Aquarium Concepts Dry Bacteria Powder

Large tanks may require up to 10 weeks, and possibly more time to cycle after the application of this powder which is a remarkably long period of time. Certain aquariums won’t experience any change if the product is not used in any way.

The reaction of your aquarium to the bacteria will depend on the fish that you keep in the tank. A professional test kit is recommended for the bacteria to be aware of whether it is appropriate to add your fish.


  • Treats a significant quantity of water in 1 one-ounce
  • The right bacteria strains
  • Value for the money.
  • Reduces ammonium


  • It takes a long time to cycle the tank
  • It may not be the case for certain people.
Buy on Amazon


What are the Most Beneficial Bacteria to Include in the Fish Tank?

The fastest and most reliable method for starting the cycle is to inoculate your aquarium with live nitrifying bacteria suitable for aquariums, like Dr. Tim’s Aquatics Live Nitrifying Bacteria, or Instant Ocean BIO-Spira Live Nitrifying bacteria. They can also be used in conjunction with the addition of a new fish.

What are the Most Effective Nitrifying Bacteria?

Best Overall: DrTim’s Aquatics One and Only Live Nitrifying Bacteria at Amazon.
Best Budget: Instant Ocean BIO-Spira at Amazon.
Best for Freshwater Tanks: API Quick Start at Amazon.
Best Starter Kit: Tropical Science Biolabs Nitromax Marine

What is the Cause of Killing Beneficial Bacteria in Aquariums?

Chloramine and chlorine will not just harm fish in aquariums but also affect the whole aquarium system. They also cause the death of beneficial bacteria and impair biological water filtration. In the end, various water quality issues, including ammonia spikes that are harmful, could result.

Can You Overdose Beneficial Bacteria?

Chloramine and chlorine will not just harm fish in aquariums but also affect the whole aquarium system. They also cause the death of beneficial bacteria and impair biological water filtration. In the end, various water quality issues, including ammonia spikes that are harmful, could result.

Does Aquarium Gravel Have Beneficial Bacteria?

Aquarium gravel is an environment for beneficial bacteria that provides biological filters.

Can Beneficial Bacteria Hurt Fish?

Ammonia in small quantities could be extremely harmful to fish, however, beneficial bacteria break down that ammonia into Nitrites. Nitrites can be extremely harmful to fish, however different kinds of bacteria break down nitrites into nitrites, which aren’t as harmful.

Best Aquarium Bacteria Supplement (Final Verdict)

What is the best beneficial bacteria for aquariums? The most effective nitrifying bacteria product will be determined by tank size and the desired outcomes.

Although many of the aquarium bacteria supplements could aid in accelerating a fish tank’s water cycle We do not recommend adding fish before the cycle has been completed.

This SeaChem Stabilizing Bacteria for Fish Tanks is believed to have the highest effectiveness of the 10 we’ve examined during this evaluation. It is easy for beginners to follow the instructions to apply it correctly.

There is no danger to poison your fish inadvertently adding too much of this product into the water.

SeaChem Prime is ideal to make use of in conjunction with this product to give you the highest quality results. It could seem like an unnecessary step but using both bacteria and conditioners within your tank will ensure that the tank is liable for both the fish and the plants in the tank in the process of cycling.

It also neutralizes ammonia and nitrates quickly when they spike, without your noticing it until the bacteria are able to consume the ammonia and nitrates.

Dibyajyoti Bordoloi is the creator and author of FishCampRehab.com, a third-generation experienced fish keeper and owner of a successful pet breeding farm. He is also a member of the Center for Wildlife Rehabilitation And Conservation (Assam), the Marine Aquarium Societies of North East India, and the Kaziranga Nature Conservancy of Assam.