Best Nitrate Remover for Freshwater in 2021



Are you looking for the best nitrate remover for freshwater? If so, you can keep reading in the buying guide.  Today, you’ll discover the top picks in the category so that you can make an informed decision later. Also, you’ll read about the factors to look into when comparing your choices.

Finding the right nitrate remover, you’ll be able to prevent water cloudiness, which is pretty common in tanks with high levels of contaminants like ammonia and nitrates. With it, you can also reduce the frequency of cleaning your tank eventually, saving you much effort and time.  If you’re ready, keep reading in the following for reference on top products reviews and buying guide.

What is the Best Nitrate Remover for Freshwater in 2021

See also:

Top 6 Best Nitrate Remover for Freshwater Reviews

1. Seachem Prime Fresh and Saltwater Conditioner


The Seachem 500 ml nitrate remover is a top rater in online marketplaces because it is a preferred item by thousands of users looking to treat their freshwater tank and remove nitrate from it.  This item works effectively in delivering its promises.

You can count on it for removing chlorine and chloramine from the water. It is one of the most useful features of this item that makes it a reliable choice for either saltwater or freshwater tanks.  In addition, the Seachem Prime nitrate remover works in aiding the bio filter in removing nitrite, ammonia and nitrate that are detoxified for 48 hours.

In terms of safety, you can use five times the dose of this item for nitrite and ammonia. It is also easy to use. Just refer to the instructions on how to use it.


  • Powerful treatment
  • Removes harmful elements from the water
  • Safe for freshwater tanks
  • Effective detoxification for 48 hours
  • Easy to use


  • Complaints of black specks and foul odor

2. API ACCU-CLEAR Clarify Freshwater Aquarium Water and Remove Toxins


The API ACCU-CLEAR Freshwater Aquarium Water Clarifier is another effective product when it comes to removing harmful chemicals including nitrate from the water and making it clean and clear. This water clarifier for fish tank is can work fast and efficiently in helping keep your tank a healthy place for your fish.

If you have a problem about cloudy water, you can also rely on the item that can work effectively in maintaining clear water.   It can also help in maximizing the efficiency of your filter.

Nevertheless, this product works fast and proves valuable in maintaining the quality of tank water.  In this case, you can keep your pets healthy and strong.


  • Effectively eliminates nitrates and other harmful chemicals from the water
  • Can maximize your filter’s efficiency
  • It Can be used to maintain a healthy living environment for your pets
  • Can be used in clumping floating contaminants for easy removal
  • Works to clear up cloudy aquarium water


  • Dosing may be a problem for those with a smaller tank

3. Purigen Organic Filtration Resin to Remove Nitrogenous Compounds and Waste


Purigen Organic Filtration resin for removal of nitrate is another effective product that can keep your tank clean and clear, eventually keeping your fish happy and healthy. Otherwise, they might be stressed and suffer from disease and worse die if you don’t maintain a clean tank.

Seachem Purigen works effectively in removing insoluble and soluble impurities from the water.  It can be used in eliminating waste and nitrogenous compounds produced by the coral, plants and fish.   With it, you can make your tank water clear.

Seachem Purigen is also easy to use, and even beginners in fish keeping will not have a hard time in using it.  Overall, the resin is effective and safe for freshwater tanks when it comes to removing nitrogenous compounds.


  • Removes nitrogenous compounds effectively
  • Easy to use
  • Can keep the water clean
  • Large usable surface area
  • Reputable brand


  • Some complaints about foul odor produced

4. API ZORB Aquarium Filtration Pouches for Nitrate Remover


API ZORB is a reputable brand that has been known in the fish-keeping scene for its innovative and effective products including the 6 Aquarium Canister Filter Filtration Pouch.  It is a reliable product for keeping the tank water clean and clear. With it, you can be certain of a healthy and clean living environment for your pets.

One of its best features is its activated carbon that is able to detoxify the water. It is also easy to use because it is pre-dosed.  Beginners and seasoned fish keepers also appreciate that it does not need frequent but only every two months replacement when nitrite and ammonia is detected.

Finally, this item is reliable in terms of removing harmful toxins that would otherwise lead to fish disease. It is also good for a wide range of canister filters available.


  • Easy to use
  • Safe and effective
  • Can remove nitrates effectively
  • Can fit most canister filters
  • Helps prevent cloudy water


  • Might need soaking overnight

5. TankFirst Complete Aquarium Water Conditioner and Nitrate Remover


If you’re looking for a tank conditioner, you might want to check out the TankFirst Water Conditioner. It works effectively when it comes to removing toxins and chemicals from the tank water. This item can remove chloramines, chlorines, nitrites and ammonia.

It is also safe to use while being effective in preventing the cloudiness of the water due to contaminants. This item is also chosen by those who want an efficient product but without an awful smell.  The Aquatic Experts nitrate remover is also safe to use for your fish tank.

It is versatile for use in marine, reef and freshwater aquariums.  Finally, this item is with an innovative formula that detoxifies the water without harming your pets. It is also easy to use that it won’t harm your tank even with imprecise measurements.


  • No foul smell
  • Proven effective
  • Easy to use
  • Detoxifies heavy metals and nitrites
  • Safe even for small and sensitive fish


  • Can leave a thick film after some time

6. EcoBio-Block EcoBio-Stone toClarify Water


Another product not to miss when detoxifying the water and removing harmful toxins from the tank water is the EcoBio-Stone. One of its unique features is its effectiveness in clarifying your tank’s cloudy water and removing odors.

It is a volcanic rock that has bacteria colonies that dispenses every 30 minutes.  This item is also known for speeding up the nitrogen cycle.  You can count on it in serving its purpose of keeping your tank water clean and clear.

This nitrate remover can help you in reducing maintenance frequency because it works by replenishing the beneficial bacteria for up to two years. In addition, this product is safe for your pets and plants. It is also easy to use, leaving no mess tank care.  It also works for either saltwater or freshwater tanks.


  • Safe to use for freshwater and saltwater tanks
  • Can speed up the nitrogen cycle
  • Reduces maintenance frequency
  • Effective in removing nitrates
  • Easy to use


  • Salt film complaints

Nitrate Remover for Freshwater Buying Guide

While there are different nitrate removers, they can be confusing more than helping you to pick the right one for your needs. As you can read in customer reviews and ours earlier, each of these products have their pros and cons as well as special qualities.  So in order to compare them, you must invest some time in research. The following are some guidelines to help you.


Make sure that the nitrate remover is safe for all the creatures inside your tank.  Do not just go for those that claim to work immediately and fast but then can endanger the fish and other living creatures in the tank.   Go for a high quality but safe nitrate remover that can ensure the removal of nitrates, heavy metals and other elements but without harming your fish.

Effective and versatile

These nitrate removers can also aid in removing other harmful toxins like chlorine and chloramine from the water. They can also work in getting rid of ammonia that is harmful for the health and lives of your pets. They can also remove excess floating debris in the tank (on select items).

Trusted brand

Another thing to consider checking when choosing a nitrate remover is the brand.  It must be trusted and proven in the category.  The item must be by a reputable manufacturer.  With that said, you could go for a popular and top-rated manufacturer that ensures safe and effective products.

Clear instructions

You should also compare your options well by reading the specifications or instructions. They should be in simple and clear language for easy understanding. Remember, it can be dangerous to overdose the application of such products. For this reason, check items that have easy to understand instructions for application.

Follow these tips when studying your options on several nitrate removers, buy the right one, and take advantage of their benefits.

What is a Nitrate Remover for Freshwater?

Nitrate Remover for Freshwater

It is a specially formulated and made product that works in removing nitrates from the water and regulating its levels.  It can also work in lowering the levels of ammonia, nitrates and nitrites from the water.   One can also aid in preventing the cloudiness of the water and reducing maintenance frequencies.

Types of Nitrate Remover for Freshwater

The next thing that you might want to know after considering the things to think about when choosing a nitrogen removal product is the different types that you can find on the market.

One of which is the water conditioner that works by neutralizing the chlorine and chloramines along with other heavy metals from the tank. It can help in protecting the delicate fish membranes and in keeping the tank safe for all the living things inside it.

Sponge nitrate removers are another type that can promote anaerobic bacteria growth to reduce nitrate in a marine or freshwater tank.

Nitrate tablets are also available to help you decrease nitrate levels in pond water and tank. It can aid in keeping your pets safe and happy. It can inhibit the growth of blanket weed and help in oxygen intake of your tank friends.   These tablets can also help in preventing various diseases by regulating the nitrate levels.

Nitrate pads are also another choice that works well in reducing organic particles and foreign debris from the tank water.

Volcanic stone as those featured earlier can also help in lowering the levels of nitrate from the tank. They can also aid in the promotion of good bacteria in the tank.

Activated carbon types are also helpful in lowering nitrates in the water. They are easy and safe to use, too.

There you have some of the top types of nitrogen removal products to find on the market.  You can choose among them and start clearing the tank water from debris, contaminants, heavy metals and nitrates.

Why Do You Need Nitrate Remover for Freshwater?

High nitrate levels are dangerous for your fish.  Exposure to it can lead to the death of your pets.  If you don’t want to endanger their lives, you should use nitrate removers that can also help in preventing the decreased oxygen supply in the tank.

It is one of the reasons to use nitrate removers, which can aid in keeping the tank clean and preventing its cloudiness. It can also lower the levels of other harmful compounds like ammonia and nitrites.

You need these nitrate removers because they can make the water cleaner for the fish and invertebrates. Remember that the elements in the water that can be safe for humans are unsafe for fish.  Nitrate removal products can help in making the water applicable for your tank friends.

Nitrate removal products can immediately reduce chlorine and chloramine in the water, too.  The best ones also don’t have acidic properties that will adversely affect the water’s pH levels.  They can also detoxify the tank water from heavy metals and harmful chemicals that would otherwise cause stress, sickness or even death to your tank friends.

Overall, nitrate removers can help in keeping the tank creatures safe and healthy. They can also maintain the cleanliness of the water.

Frequently Asked Questions


How to lower nitrate levels in freshwater aquarium?

Fish poisoning can happen if your pets are exposed to excessive nitrate levels in the water.  A few causes of it include overfeeding and overstocking the tank.  You should prevent it from happening to prevent the death of your pets.

Some ways on how to lower nitrate levels include making small water changes regularly.  A recommended change includes changing five percent every two hours, and repeating the process until you have changed about 50% of the water volume.  When done, check the water for decreased in nitrate levels.

You should also use nitrate removers or nitrate-removing media that can effectively reduce nitrate level from the water.

How often should you use nitrate remover?

If you want to keep your fish happy and healthy, you should invest on nitrate removers that can also remove harmful contaminants that also include ammonia, chlorine and chloramines, to name some.

You should use such product regularly if you detect high levels of nitrates like if the water is cloudy.   However, you should only apply the recommended dosage by reading the label and following the instructions closely.

Do not use an excessive amount that might harm instead of helping you remove nitrates.  Use only the recommended amount at the frequency as stated in the description.  Make sure that you’re informed about the right dosage.

Where to buy nitrate remover for freshwater?

A nitrate remover is available in many pet supplies stores that sell pet fish supplies. You can also get one from reputable online sites like It is a largest marketplace to find tank supplies including freshwater and saltwater tank nitrate removers.

Here, you can find removers sold by the manufacturers themselves. You can also take advantage of the best deals and affordable prices. Nevertheless, you can compare your options well by choosing among the top rated products in the category and looking into their pros and cons.  You can also get started in the selection process using our buying guide and top picks reviews earlier.


There are many benefits of using the best nitrate remover for freshwater for your tank. It can help in keeping your tank water clean and clear, preventing you from cleaning it often especially with a high bio load.

With it, there will be more wastes that include liquid and solid excretions. In the process, such waste consumes oxygen while microorganisms break them down into simple nitrogen called ammonia, and other compounds including nitrates. But with a nitrate remover, you can prevent it from happening, and in the process, you will be able to keep your fish healthy and alive.

To begin with the selection, refer to our product reviews and buy your nitrate remover today!

1 thought on “Best Nitrate Remover for Freshwater in 2021”

Leave a Comment