10Best.Guide

Fish Tank Filters

Top Picks

Last Updated: May, 2023
Pros
  • Easy installation
  • Quieter than other filters
  • Fits well despite material not being tight
  • Good price for the amount
  • Helps optimize media in filters
Cons
  • Carbon fiber filters not included
  • Needs to be changed more frequently than recommended
Bottom Line
The Aqueon filter cartridges are easy to install, quieter than other filters, and come at a good price. However, they require frequent replacement and are not environmentally friendly. There may also be some variability in product quality and they may not fit properly in some tanks.
Pros
  • Good filters for keeping water clean
  • Easy to clean
  • Lasts for about a month
  • Works well in tanks of different sizes
  • Great value for the price
Cons
  • Poor packaging and damaged product
  • Inconsistent quality
Bottom Line
Aqua-Tech EZ-Change Aquarium Filter Replacement Cartridges are a great value for the price and work well in tanks of different sizes. They are easy to clean and last for about a month. However, there are some issues with packaging, inconsistent quality, and the top part not sealing shut.
Pros
  • Sturdy and thick compared to flimsy cartridges.
  • Easy to assemble and cheaper than ready-to-use cartridges.
  • Provides good filtration and keeps aquarium clean.
  • Useful for Tetra Whisper 40I internal aquarium filter.
  • Lowest cost available on Amazon with one-day shipping.
Cons
  • Only one frame comes per box.
  • May not fit certain filters.
Bottom Line
These filter cartridges are a cost-effective and efficient option for Tetra Whisper 40I internal aquarium filter owners. They are easy to assemble and provide good filtration, but may not fit all filters and could use more activated charcoal carbon filter media.
Pros
  • Keeps water clean
  • Perfect fit for tank
  • Easy to clean and change
  • Prolongs cleaning
  • Convenient refill supply
Cons
  • Hard to find in stores
  • Expensive
Bottom Line
These filters are effective in keeping water clean and are a perfect fit for certain tanks. However, they can be hard to find in stores and are expensive. Buying in bulk can save money, but be aware that packaging may be damaged during shipping and they may cause water discoloration.
Pros
  • Affordable for the number of filters in a pack.
  • Maintains water cleanliness.
  • Easy to install and remove.
  • Works well for small tanks.
  • Water flows easily through the filter material.
Cons
  • Inconsistent number of filters in the box.
  • Weak suction power.
Bottom Line
The Top Fin filters are an affordable and convenient option for maintaining water cleanliness in small tanks, but buyers should be aware of the inconsistent number of filters in the box and the weak suction power.

The Ultimate Buying Guide for Fish Tank Filters

Overview

Fish tank filters are essential equipment for maintaining a healthy and clean aquarium environment. They help to remove debris, waste, and harmful toxins from the water, keeping your fish and aquatic plants healthy and happy. With so many different types and brands of fish tank filters available, it can be overwhelming to choose the right one for your aquarium. In this buying guide, we will help you understand the different types of fish tank filters, key considerations when choosing a filter, essential features to look for, prices, maintenance tips, and frequently asked questions.

Types

1. Power Filters: Power filters are the most popular type of fish tank filter. They are easy to install and maintain, and they provide excellent mechanical, chemical, and biological filtration. They work by drawing water through a filter cartridge that contains mechanical filter media, activated carbon, and biological filter media. The filtered water is then returned to the aquarium.

2. Canister Filters: Canister filters are ideal for larger aquariums, as they provide powerful mechanical, chemical, and biological filtration. They work by drawing water through an external canister that contains multiple filter baskets filled with mechanical, chemical, and biological filter media. The filtered water is then returned to the aquarium.

3. Hang-On-Back Filters: Hang-on-back filters are compact and easy to install. They provide mechanical, chemical, and biological filtration by drawing water through a filter cartridge that contains filter media. The filtered water is then returned to the aquarium.

4. Undergravel Filters: Undergravel filters are installed under the gravel substrate in the aquarium. They provide biological filtration by creating a colony of beneficial bacteria that break down waste and harmful toxins. They are not recommended for heavily planted aquariums or aquariums with a lot of debris.

5. Internal Filters: Internal filters are ideal for smaller aquariums or as a secondary filter in larger aquariums. They provide mechanical, chemical, and biological filtration by drawing water through a filter cartridge that contains filter media. They are easy to install and maintain.

Key Considerations

1. Tank Size: The size of your aquarium will determine the type and size of filter you need. A larger aquarium will require a more powerful filter to ensure adequate filtration.

2. Type of Fish: Different types of fish produce different levels of waste, which can affect the type and size of filter you need. For example, a heavily stocked aquarium with large fish will require a more powerful filter than a lightly stocked aquarium with small fish.

3. Type of Plants: If you have live plants in your aquarium, you will need a filter that provides adequate water flow without disturbing the plants.

4. Maintenance: Consider the ease of maintenance when choosing a fish tank filter. Some filters require more frequent cleaning and replacement of filter media than others.

Features

1. Flow Rate: The flow rate of a fish tank filter determines how quickly it can filter the water in your aquarium. A higher flow rate is ideal for larger aquariums or heavily stocked aquariums.

2. Filtration Media: The type and quality of filtration media used in a fish tank filter will affect its effectiveness in removing debris, waste, and harmful toxins from the water.

3. Noise Level: Some fish tank filters can be noisy, which can be a nuisance if you keep your aquarium in a quiet room. Look for filters with low noise levels.

Prices

Fish tank filters vary in price depending on the type, brand, and size. Power filters and hang-on-back filters are generally the most affordable, ranging from $20 to $100. Canister filters are more expensive, ranging from $100 to $500. Undergravel filters and internal filters are the most affordable, ranging from $10 to $50.

Tips

1. Clean your fish tank filter regularly to ensure optimal performance.

2. Replace filter media as recommended by the manufacturer.

3. Consider using multiple filters for larger aquariums or heavily stocked aquariums.

4. Choose a filter with a flow rate that is appropriate for your aquarium size and type of fish.

FAQs

Q: How often should I clean my fish tank filter?

A: Ans: It is recommended to clean your fish tank filter every 2-4 weeks, depending on the type of filter and the size of your aquarium.

Q: Can I use multiple filters in my aquarium?

A: Ans: Yes, using multiple filters can provide additional filtration and help to maintain a healthy aquarium environment.

Q: How do I choose the right size filter for my aquarium?

A: Ans: The general rule of thumb is to choose a filter that can process the entire volume of water in your aquarium at least 3-5 times per hour.

Q: Can I use a fish tank filter for a saltwater aquarium?

A: Ans: Yes, some fish tank filters are suitable for use in saltwater aquariums. Be sure to choose a filter that is designed for saltwater use and can handle the specific needs of a saltwater environment.

Conclusion:

Choosing the right fish tank filter is essential for maintaining a healthy and clean aquarium environment. Consider the type and size of your aquarium, the type of fish and plants you have, and your maintenance needs when choosing a filter. Look for features like flow rate, filtration media, and noise level to ensure optimal performance. With the right fish tank filter, you can enjoy a beautiful and thriving aquarium for years to come.

Runner-Ups

Pros
  • Easy to install filter.
  • Keeps tank clean.
  • No noise.
  • Keeps fish alive.
Cons
  • Filter not attached to frame.
  • Charcoal spills out.
Bottom Line
This aquarium filter is easy to install, keeps the tank clean, and operates quietly. However, it requires periodic rinsing and is not suitable for multiple aquariums. The filter may arrive with some quality control issues, such as charcoal spills and inaccurate order fulfillment.
Pros
  • Effective in keeping tanks clean
  • Easy to rinse and replace
  • Provides clear water
  • Good for supplementary filtration
  • Affordable
Cons
  • Charcoal can be messy
  • Quality issues (damaged packaging, missing parts)
Bottom Line
The Tetra Whisper Bio-Bag Disposable Filter Cartridges are an affordable and effective option for keeping tanks clean, but quality issues and inconsistent performance may be a concern for some buyers. Proper rinsing and handling is recommended for best results.
Pros
  • Does the job it was intended for
  • Keeps water moving great
  • Great price
  • Works amazing
  • Keeps fish tank clean
Cons
  • Not heavy enough to stay down on their own
  • Design does not allow for use with an air stone
Bottom Line
This sponge filter is a great option for those looking for an affordable and effective way to keep their aquarium clean. However, buyers should be aware of the design limitations and size discrepancies.
Pros
  • Creates enough surface agitation to prevent film from developing on the surface of the water.
  • Easy to set up.
  • Reasonably priced.
  • Moves a lot of water.
  • Customizable and direct stream.
Cons
  • Too much power for its size.
  • Gets clogged quickly.
Bottom Line
This mini filter is a good option for small tanks, but it may be too powerful for some. It is easy to set up and customizable, but it can get clogged quickly and is a pain to clean.
Pros
  • Easy to put together.
  • Great for aquariums with mechanical filtration and baskets for other types of filter media.
  • Super easy to set up.
  • Cleared water in a few days.
  • Has a valve for priming the filter.
Cons
  • Prime pump handle disintegrated into pieces.
  • Suction is not that great.
Bottom Line
This canister filter is a great option for aquariums with mechanical filtration and baskets for other types of filter media. It is easy to put together and set up, but some customers have reported issues with durability and noise. Be sure to read the instructions carefully before purchasing.
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