Editor's Choice - Our Favorite Zoo Med Aquarium Filters

1. Zoo Med Turtle Clean External Canister Filter, 50-Gallon

User Ratings: 56 25

Zoo Med TC50 First Impressions

"Very pleased!"

The instructions are a bit to much for me. I contacted Marineland about my issue and they promptly sent me a new one right away! My baby turtle even loves it so much he won't let go. My fish are definitely happier and my water is crystal clear. The bacteria eats the nitrates in the water to help keep it clean. What I don't like is how much smaller it is than the Aqueon. My baby turtle even loves it so much he won't let go.

  • Zoo Med Turtle Clean External Canister Filter, 50-Gallon
  • External canister filter with slimline design for tight spaces
  • 200 gallon per hour rating, ideal for turtle habitats up to 50 gallons in size
  • The included spray bar increases oxygenation to help support your turtles' health
  • Double filtering system with both carbon and ceramic filters and internal biological recirculation
  • Combines mechanical, biological, and chemical filtration to give your pets the cleanest, healthiest habitat
  • Manufacture: Zoo Med
  • Product Dimensions: 11.2 x 9.5 x 14.5 inches; 1.2 Pounds
  • Editor's Impressions Of The Zoo Med TC50
  • Filter Effectiveness [star rating='3']
  • Quality [star rating='4.5']
  • Value For Money [star rating='2.9']
  • Affordability [star rating='4.4']

Zoo Med TC50 Final Thoughts

"This is not."

Of course the sound all depends on how much water is in the aquarium. First they are simple and designed to pump and filter aquarium water. My tank was a mess when I got this pump. Never ever ever use it past a year. Replace activated carbon every 6-8 months ish. I plan to cycle this new AC 50 on a separate tank and then xfer it to the 20 gallon. Clean the foam insert apparently it pulled a lot of dirt and needs cleaned.

Overall Score
3.7

[star rating="3.7"]
(86 Points)

2. hygger Super Mini Aquarium Single Sponge Filter, Comes with 1 Spare Sponge, Quiet Submersible Foam F...

User Ratings: 55 9

hygger First Impressions

"I bought this filter."

I had originally got one for my 75 Gallon tank housing an Oscar. SO I decided to order this for my 29 gallon tank. Works like a dream and can't even hear it! It wasn't producing much surface agitation. This is not my first experience with a marineland filter. You'll want to pull that water from the bottom. This filter has is a very simple and efficient design.

  • hygger Super Mini Aquarium Single Sponge Filter, Comes with 1 Spare Sponge, Quiet Submersible Foam Filter for Small Fish Tank 0.5-5 Gallon
  • 【Multi-filtration functions】this mini sponge aquarium filter combines bio-filtration, oxygenation and physical filtration in one and also makes small water flow, which can ensure the excellence of the water quality. Helps your small fish or shrimp to live a happy, healthy life
  • 【Super Mini Filter Demension 】this single sponge filter is super mini size, takes up a little room, perfect for use in 0.5-5 gallon fish tank bowls. This mini sponge filter is 3.5" in width and 3" in height, the sponge inside circle diameter is 0.59 inch
  • 【Package Includes】1 single mini sponge filter + 1 spare sponge+ 1 suction cup are included in a pack. This aquarium filter must be used with an mini air pupm and a standard size 4mm air hose, please note pump and air hose, media balls are not included. Please choose an air pump according to your fish tank size for this filter
  • 【Removable Fine Sponges 】you can easy to take down the sponge from the filter to clean or replace it, the sponge is fine not coarse, which means more surface area for beneficial bacteri to live on. Don't use tap water to clean it, just rinse or squeeze the sponges by using the aquarium water
  • 【Easy to use】all the parts of this filter are detachable, you can easily to assemble them together, with 1 strong suction cup you can stick the filter firmly to any tank position under water, withouting floating.
  • Manufacture: hygger
  • Editor's Impressions Of The hygger
  • Filter Effectiveness [star rating='4.5']
  • Quality [star rating='3.7']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='4.2']

hygger Final Thoughts

"A THUMBS UP."

I liked the clean lined look and the pull out basket. All in all, I highly recommend this filter and I'm a extremely happy customer! I put it together, reading instructions of course. I returned the Aqua Clear 70 and promptly received a replacement. BUT after some YouTube research I was able to fix the noise issue. I used a small pair of pliers and carefully got the pebbles out. Works like a dream and can't even hear it!

Overall Score
4.0

[star rating="4"]
(486 Points)

3. LiquaGen - 5-Stage Reverse Osmosis and Deionization RO/DI | Aquarium Reef Water Filter System - 75 G...

User Ratings: 83 5

LiquaGen LG - 1OT First Impressions

"I love this canister."

LOW and BEHOLD, LMAO, I missed where you had to put water in the back of the filter. It's easy to clean and we all know about easy. A canister or in tank filter is ten times more work and messy. I thought that U had put it together wrong so I took it all apart and started over. I thought that U had put it together wrong so I took it all apart and started over. I will pick 3-4 of these at one time over a single system any day. Also price was very reasonable and shipping was fast.

  • LiquaGen - 5-Stage Reverse Osmosis and Deionization RO/DI | Aquarium Reef Water Filter System - 75 GPD
  • This product is great for aquariums, laboratory testing, and other applications where ultra-pure water is necessary. Pre- Assembled system for easy installation. Guaranteed 0 ppm water. No more running to your local fish store!
  • Air-leak tested, leak-free fittings and long lasting filters ensure durability and mitigate chances for damage and breakage. BPA free to supplement a safe environment.
  • We have now updated the product with a high Rejection Reverse Osmosis (RO) Membrane Capacity : 75 Gallons Per Day (GPD). Film by GE USA
  • 2 year manufacturer warranty; Lifetime customer support. Designed for city water use, incoming TDS should not exceed 350 TDS.
  • If you're using the unit with a storage tank, you will need to add an auto shut-off valve and check valve. Please reach out to us for those parts.
  • Manufacture: LiquaGen Water Technology
  • Product Dimensions: 16 x 6 x 16 inches; 14.55 Pounds
  • Editor's Impressions Of The LiquaGen LG - 1OT
  • Filter Effectiveness [star rating='5']
  • Quality [star rating='3.8']
  • Value For Money [star rating='3.6']
  • Affordability [star rating='4']

LiquaGen LG - 1OT Final Thoughts

"Coarse, medium, and fine."

I'd highly recommend not replacing the bio material& sponge, ever. As for performance, I couldn't ask for a better filter. I'd highly recommend not replacing the bio material& sponge, ever. I have purchased several Aqua Clear filters over the years. This filter really does a good job. I've been researching so many things on how to take care of them. My box came in good condition, parts where in tact and new.

Overall Score
4.6

[star rating="4.6"]
(316 Points)

4. SunSun HW-3000 UV 9W 5-Stage External Canister Filter 793gph, White

User Ratings: 66 10

SunSun HW-3000 First Impressions

"5 minutes."

They are easily found from mom-n-pop pet stores to large chain stores. SO I decided to order this for my 29 gallon tank. The first night I had the pump going it started making a screeching sound. You'll want to pull that water from the bottom. I will never buy any other HOB no matter what deal they might be offering. This filter has is a very simple and efficient design. SO, I sat down and read EVERY little thing in rhe instructions.

  • SunSun HW-3000 UV 9W 5-Stage External Canister Filter 793gph, White
  • LCD Display that allows users to adjust the flow rate of the pump and the duration of the UV light
  • Flow rate: up to 793 Gallons per hour (adjustable)
  • 9W UV sterilizer, perfect for maintaining a clean and clear Aquarium
  • Can be used for any freshwater and Saltwater aquariums.Voltage: 220-240V/50Hz
  • Comes with White Filter pads (Filter media sold separately)
  • Manufacture: SunSun
  • Product Dimensions: 18 x 13 x 16 inches; 18.95 Pounds
  • Editor's Impressions Of The SunSun HW-3000
  • Filter Effectiveness [star rating='3.2']
  • Quality [star rating='4']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='4.5']

SunSun HW-3000 Final Thoughts

"I was to tire to fix it."

I also don't like how short the intake tube is. My fish are definitely happier and my water is crystal clear. It sounds like a Big Air pump buzzing. However, lately I've purchased the Aqua Clear 70 and 50. I put it together, reading instructions of course. I have had no issues with it being to loud. Unlike my old HOB filter, it doesn't sound like a leaky toilet.

Overall Score
4.2

[star rating="4.2"]
(418 Points)

5. Eheim 6666 Pro 4+ Canister Filter

User Ratings: 47 24

Eheim 6666 First Impressions

"Really like the filter."

I stopped the pump and I pulled it apart. I was using a Tetra in-tank filter previously. The instructions are a bit to much for me. The current is strong but you can adjust it with the midsection lever. Clean the foam insert apparently it pulled a lot of dirt and needs cleaned. Overall I would recommend this item. I wasn't able to fill my tank fully because there was little to no surface agitation.

  • Eheim 6666 Pro 4+ Canister Filter
  • This product is easy to use. This product adds a great value. This product is manufactured in Germany. This product is designed for pets and there use.
  • This new Filter doesn't just boast a new sleek Black color but it also has a range extender function
  • As with most Eheim filters, the Pro4+ comes complete with Filter Pads and media and all installation Equipment
  • Country Of Origin: Germany
  • Manufacture: Prime Pet Deals - Code 2
  • Product Dimensions: 10 x 8 x 6 inches; 8 Pounds
  • Editor's Impressions Of The Eheim 6666
  • Filter Effectiveness [star rating='4.3']
  • Quality [star rating='4.3']
  • Value For Money [star rating='3.6']
  • Affordability [star rating='3.3']

Eheim 6666 Final Thoughts

"I love this filter."

Lightly clean the silver roller pins on the ends. A canister or in tank filter is ten times more work and messy. The bacteria eats the nitrates in the water to help keep it clean. Works like a dream and can't even hear it! I own 3 of these and besides my canister they are my favorite filters. Following morning it was running quietly. , that's what makes this so funny.

Overall Score
3.5

[star rating="3.5"]
(40 Points)

6. Aquarium Air Filter,Biochemical Sponge Fish Tank Activated Carbon Filter,Underwater Air Driven Oxyge...

User Ratings: 34 17

Fdit First Impressions

"Huge capacity."

A canister or in tank filter is ten times more work and messy. Lightly clean the silver roller pins on the ends. I also like the fact that it is relatively low profile and discreet looking. As for performance, I couldn't ask for a better filter. Therefore, you wouldnt have 2 filters running. Overall, I like the 350's slim back design, and be able to add up to 4 cartridges. The filter stopped working all of a sudden.

  • Aquarium Air Filter,Biochemical Sponge Fish Tank Activated Carbon Filter,Underwater Air Driven Oxygen Releases Aquarium Fish Tank Pond Biochemical Stone Sponge Corner Filter(Grey)
  • HIGH EFFICIENCY BIOCHEMICAL FILTRATION SYSTEM☛ Made from environmental high density sponge filter and high-performance activated carbon as filter material for effective cleaning.The air pump driven carbon filter can improve the water quality of the fish tank, increase the solubility of oxygen in water
  • NO NOISE AND ENERGY SAVING☛ no need to use electricity, the aquarium filter can be driven by the air pump with a single hole.It creates numerous minute bubbles for increased oxygen flow without noise.
  • EASY TO WASH & REUSE☛ Easy to remove and easy to clean, convenient to replace the filter cotton
  • PROPER SIZE FOR INSTALLATION AND SPACE-SAVING☛ Mini size is suitable for small fish tanks, do not take much space.
  • SAFE FOR BETTA, FRY AND OTHER SMALL FISH☛ Betta, fry and other small fish will NEVER get sucked up into the filter. The slow current from this filter is ideal when breeding and spawning.
  • Manufacture: Fdit
  • Item Weight: 4.9 ounces
  • Editor's Impressions Of The Fdit
  • Filter Effectiveness [star rating='3.7']
  • Quality [star rating='4.4']
  • Value For Money [star rating='3.3']
  • Affordability [star rating='4.1']

Fdit Final Thoughts

"Try it you wont be sorry."

The ability to regulate the flow solves the loud waterfall problem. I thought that U had put it together wrong so I took it all apart and started over. Lift the sticking wheel outuse a Q-tip to clean the slots where the wheel rests. I attempted to clean and lube the impeller, but to no avail. DO NOT CLEAN OR WASH the paper wheel itself. I checked and cleaned it and still just as loud. I own 3 of these and besides my canister they are my favorite filters.

Overall Score
3.5

[star rating="3.5"]
(11 Points)

7. LiquaGen - Heavy Duty & High Capacity 7-Stage Aquarium Reef and Deionization Reverse Osmosis Water F...

User Ratings: 81 10

LiquaGen LG 3 OTOP First Impressions

"Really like the filter."

I still have my original wheels on the year old 350 with no issues whatsoever. Not sure what I'll do with the more complex design. I was new to the hobby and didn't realize that Tetras were inferior filters. I was new to the hobby and didn't realize that Tetras were inferior filters. I sent a request for replacement and one came the next day. The ability to regulate the flow solves the loud waterfall problem. This filter really does a good job.

  • LiquaGen - Heavy Duty & High Capacity 7-Stage Aquarium Reef and Deionization Reverse Osmosis Water Filter Systems RO/DI | 0 PPM - 150 GPD
  • This product is great for aquariums, laboratory testing, and other applications for pure water. Pre- Assembled system for easy installation. Installation takes approximately 5 minutes!
  • Manual Flush Valve makes this system superior to any other RO/DI system in the market by increasing the life of the unit, reducing possible leaks, and saves you valuable time when flushing the system every few months.
  • High Rejection Reverse Osmosis (RO) Membrane. Film by GE USA. 2 year manufacturer warranty; Lifetime customer support.
  • Ideal for Reef Tanks, Salt-Water and Fresh-Water Aquariums by the process of deionization ensuring zero ppm water, optimal for fish, coral, and other Marine life & plants.
  • Air-leak tested, leak-free fittings and long lasting filters ensure durability and mitigate chances for damage and breakage. BPA free to supplement a safe environment.
  • Manufacture: LiquaGen Water Technology
  • Editor's Impressions Of The LiquaGen LG 3 OTOP
  • Filter Effectiveness [star rating='4.9']
  • Quality [star rating='3.8']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='4.3']

LiquaGen LG 3 OTOP Final Thoughts

"Just a tip!"

The bacteria eats the nitrates in the water to help keep it clean. This filter really does a good job. This new AQ50 filter has loose bio-media, i. Oscars are very messy fish, especially during feeding. Typically just below the flat part of the outlets. This is a well designed unit and a lot of bang for the buck. I ordered 4 of these, for different tanks of course.

Overall Score
4.5

[star rating="4.5"]
(30 Points)

8. Tetra Whisper Power Filter for Aquariums, 3 Filters in 1

User Ratings: 69 6

Tetra 25774 First Impressions

"That also didn't work."

Overall, I like the 350's slim back design, and be able to add up to 4 cartridges. I bought a top fin 55 gallon aquarium on sale. I was worried that it might be too much for my aquarium or that it would be loud. Your fish and you will be much happier and stun everyone else. Clean the foam insert apparently it pulled a lot of dirt and needs cleaned. You'll want to pull that water from the bottom. I stopped the pump and I pulled it apart.

  • Tetra Whisper Power Filter for Aquariums, 3 Filters in 1
  • Whisper 40 Power Filter
  • Manufacture: Tetra
  • Product Dimensions: 5.38 x 8 x 7.9 inches; 1.7 Pounds
  • Editor's Impressions Of The Tetra 25774
  • Filter Effectiveness [star rating='5']
  • Quality [star rating='4.7']
  • Value For Money [star rating='4.8']
  • Affordability [star rating='4.8']

Tetra 25774 Final Thoughts

"Just buy it!"

SO, I sat down and read EVERY little thing in rhe instructions. It wasn't producing much surface agitation. One thing I think is worth mentioning is the need to prime the filter. Replace activated carbon every 6-8 months ish. SO I decided to order this for my 29 gallon tank. Replace activated carbon every 6-8 months ish. I eyedball everything and put it together with a look back at instructions.

Overall Score
4.4

[star rating="4.4"]
(2870 Points)

9. Aqueon 100534682 QuietFlow Internal Shrimp Filter for Freshwater Aquariums up to 20 Gallons, Size 20...

User Ratings: 65 9

Aqueon 100534682 First Impressions

"Not ideal but it works."

Overall, I like the 350's slim back design, and be able to add up to 4 cartridges. Following morning it was running quietly. Works like a dream and can't even hear it! Firstly, I'd recommend taking the motor apart and putting it back together. You do have to unplug it for those two jobs. I was worried about some of the negative reviews. I used a small pair of pliers and carefully got the pebbles out.

  • Aqueon 100534682 QuietFlow Internal Shrimp Filter for Freshwater Aquariums up to 20 Gallons, Size 20, Black
  • Internal filter for freshwater tanks up to 20 gallons
  • Intake grid and pre-filter sponge protect shrimp and small fish
  • Preloaded with a replaceable carbon cartridge for chemical filtration
  • Comes with hooks and suction cups for use with either traditional or frameless aquariums
  • Aqueon QuietFlow Internal Shrimp Filter is recommended for small freshwater tanks containing ghost, amaro, cherry, crystal and bee, or bamboo shrimp
  • Included Components: All Items As Per Description, Age Range Description: All Life Stages
  • Manufacture: AQUEON
  • Product Dimensions: 5.5 x 4.5 x 8 inches; 1.25 Pounds
  • Editor's Impressions Of The Aqueon 100534682
  • Filter Effectiveness [star rating='4.8']
  • Quality [star rating='3.7']
  • Value For Money [star rating='3.5']
  • Affordability [star rating='4.8']

Aqueon 100534682 Final Thoughts

"Very pleased!"

That water got so dirty we had to keep changing it every 2 or 3 days. Basically, make sure everything that is suppose to spin, does so smoothly. I was worried that it might be too much for my aquarium or that it would be loud. I had to lower the surface by 3 inches to get sufficient agitation. I DONT KNOW WHY MANY THINK THIS IS A NOISY FILTER. My tank was a mess when I got this pump. I stopped the pump and I pulled it apart.

Overall Score
4.1

[star rating="4.1"]
(10 Points)

10. LiquaGen - Dual 6 Stage Under Sink Reverse Osmosis Drinking & Aquarium Deionization (RO/DI) Water Fi...

User Ratings: 69 12

LiquaGen LG-DP-US First Impressions

"- Plug it into power."

The first night I had the pump going it started making a screeching sound. Of course the sound all depends on how much water is in the aquarium. I've think I've had had six of them. I'm currently in the process of receiving another replacement on that model. I checked and cleaned it and still just as loud. I plan to cycle this new AC 50 on a separate tank and then xfer it to the 20 gallon. The instructions are a bit to much for me.

  • LiquaGen - Dual 6 Stage Under Sink Reverse Osmosis Drinking & Aquarium Deionization (RO/DI) Water Filter System (Universal pH Alkaline 100 GPD)
  • LiquaGen's dual series includes all the key features necessary to start making ultra pure 0 TDS RO/DI water for your saltwater tank as well as supply crisp, bottled quality drinking water straight from your faucet!
  • Helps restore minerals lost in the RO process. Improves the qualities of clean water by adding necessary minerals for proper human development and health minerals, such as Calcium, Magnesium, Sodium, Potassium and others readily found in many natural mineral waters.
  • Manual Flush Valve makes this system superior to any other RO/DI system in the market by increasing the life of the unit, reducing possible leaks, and saves you valuable time when flushing the system every few months
  • 3.2 gallon pressurized water tank with 2.8 gallon storage capacity + elegant designer faucet
  • Remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants
  • Manufacture: LiquaGen Water Technology
  • Part Number: LG-DP-US
  • Product Dimensions: 16 x 16 x 16 inches
  • Style: Universal pH Alkaline 100 GPD
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The LiquaGen LG-DP-US
  • Filter Effectiveness [star rating='4.3']
  • Quality [star rating='4.6']
  • Value For Money [star rating='4.2']
  • Affordability [star rating='4.6']

LiquaGen LG-DP-US Final Thoughts

"Since then no problems."

A canister or in tank filter is ten times more work and messy. Fill up the media slot with water until it's full. Not sure what I'll do with the more complex design. Following morning it was running quietly. I thought that U had put it together wrong so I took it all apart and started over. Overall I would recommend this item. Once I found that, the world was right again.

Overall Score
4.3

[star rating="4.3"]
(21 Points)

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