Editor's Choice - Our Favorite Think Crucial Aquarium Filters

1. Think Crucial Aquarium Filter Replacement Parts - Compatible with Aqua-Tech EZ-Change 3 Aquarium Fil...

User Ratings: 70 5

Think Crucial 20-40 Power Filters, 30-60 Power Filters First Impressions

"Canisters don't."

I will never buy any other HOB no matter what deal they might be offering. They are easily found from mom-n-pop pet stores to large chain stores. You do have to unplug it for those two jobs. If that does not work, look into silicone grease so you can lube the impeller. One thing I think is worth mentioning is the need to prime the filter. Of course the sound all depends on how much water is in the aquarium. I will never buy any other HOB no matter what deal they might be offering.

  • Think Crucial Aquarium Filter Replacement Parts - Compatible with Aqua-Tech EZ-Change 3 Aquarium Filter - Fits Aqua-Tech 20-40 and 30-60 Power Filters
  • 4 PACK OF AQUARIUM FILTER REPLACEMENTS COMPATIBLE WITH AQUA-TECH EZ-CHANGE 3 AQUARIUM FILTER. Filters are essential for premium aquarium air quality and cleaner air. They trap fine dust particles and allergens, preventing them from recirculating. Helps keep your tank free of dust, with frequent filter replacement.
  • CLEAN AND HEALTHY LIFESTYLE: Replacing Aqua-Tech filters should help clean with premium filtration for healthier fish. The aquarium filter screens out dirt and debris. The molded ribbed back has maximum water-to-carbon contact. The filter removes odors, discolorations, and impurities. Change the used filter monthly. Ensure elimination of toxic ammonia and nitrite while avoiding clogging.
  • SIMPLE AND EASY TO INSTALL: Switch out in less than five (5) minutes, providing time efficiency. Our aquarium filter measures 4.5" X 6" X 6.5" inches. Get back to daily activity quickly and make a big difference with filtration in the process. Simply remove the older and dirty filter and replace. It fits well with Aqua-Tech aquarium filter cartridge. Enjoy a clean, fresh, aquarium for healthier fish by using premium, heavy duty equipment, filters and clean water.
  • LONG LASTING REPLACEMENT AQUARIUM FILTER: The aquarium filter is washable and reusable ensuring long life. Replace the Aqua-Tech filter every 2 to 4 weeks for optimal performance or ten (10) to twelve (12) times per year depending upon usage. When a clogged or dirty, it can cause the aquarium to work harder and impact utility bills. We deliver high quality, durable and long lasting replacements. Aquarium filters are extremely important for your AquaTech filtration system.
  • THINK CRUCIAL manufactures premium quality air filters, purifier parts and stands behind the quality and workmanship of all our products. We maintain a thorough quality control process to ensure compatibility with the Aqua-Tech models listed above.
  • Manufacture: Think Crucial
  • Product Dimensions: 0.98 x 0.98 x 0.98 inches; 7.2 Ounces
  • Editor's Impressions Of The Think Crucial 20-40 Power Filters, 30-60 Power Filters
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

Think Crucial 20-40 Power Filters, 30-60 Power Filters Final Thoughts

"Its AMAZING."

This is not my first experience with a marineland filter. I've think I've had had six of them. First they are simple and designed to pump and filter aquarium water. I can take apart a car engine and put it back together. I want to answer some of the complaints I've read. You do have to unplug it for those two jobs. My tank is nice and clear and my fish are much happier.

Overall Score
4.4


(671 Points)

2. SunSun Hw303B 370GPH Pro Canister Filter Kit with 9-watt UV Sterilizer

User Ratings: 70 8

SunSun HW-303BPro First Impressions

"Just a tip!"

Controlling the flow rate doesn't require modifying the filter. Just rinse them out once a month, don't throw that beneficial bacteria away. Controlling the flow rate doesn't require modifying the filter. I have always used Marineland filters and been happy with them and their quality. It doesn't rise up hugely above the tank like a lot of HOB filters. You'll want to pull that water from the bottom. Marineland bio pumps have been around forever.

  • SunSun Hw303B 370GPH Pro Canister Filter Kit with 9-watt UV Sterilizer
  • HW-303B Pro Filtration Kit, Good for up to 100 gallon aquariums
  • Flow rate: 370 GPH (1400L/Hr)
  • Dimension: 10.5" L X 10.5" W X 16" H
  • Pro Kit Includes Canister Filter w/9 Watt UV, 3 White Filter Pads, 1 Blue Coarse Pad, 3 Media Baskets
  • Includes 1lb of Premium Filter Carbon, 1lb of Ceramic Rings and 1 Set of Bio Balls
  • Manufacture: SunSun
  • Product Dimensions: 12 x 12 x 20 inches; 16 Pounds
  • Editor's Impressions Of The SunSun HW-303BPro
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

SunSun HW-303BPro Final Thoughts

"This is the one."

I was worried about some of the negative reviews. This is a well designed unit and a lot of bang for the buck. Firstly, I'd recommend taking the motor apart and putting it back together. Early on it seems to be working as advertised. I've been researching so many things on how to take care of them. My tank was a mess when I got this pump. Your fish and you will be much happier and stun everyone else.

Overall Score
4.4


(663 Points)

3. HITOP Submersible Aquarium Internal Filter, Adjustable Underwater Filter, Corner Filter with Water P...

User Ratings: 44 18

HITOP HP-118 First Impressions

"Not ideal but it works."

This new AQ50 filter has loose bio-media, i. My tank was a mess when I got this pump. A canister or in tank filter is ten times more work and messy. Oscars are very messy fish, especially during feeding. Also the maker should review the pump design. I was worried that it might be too much for my aquarium or that it would be loud. Lightly clean the silver roller pins on the ends.

  • HITOP Submersible Aquarium Internal Filter, Adjustable Underwater Filter, Corner Filter with Water Pump for Fish Tank up to 20 Gallon
  • 3W Internal Filter: This aquarium filter quietly delivers 55 gallons per hour of crystal-clear water for your lovely fish, suitable for fresh or marine aquarium, perfect for 5 to 20 gallons, ideal choice for aquarium or turtle/aquatic reptiles use.
  • Adjustable 55 GPH Water Pump, pump head with adjustable and directional water flow, spray bar option allows you to distribute water evenly helping aerate your tank.
  • Space saving corner filter design, 5.7 x 1.6 x 2.4 in / 14.5 x 4 x 6cm, fish tank filter can be placed horizontally and easily hidden.
  • Multiple filter media, the filter with multiple filter media for all filtration purposes. Your lovely fish or turtle will have a clean and fresh environment for living.
  • Warranty: Offer 12 months warranty, leaves no worries for your purchase.
  • Manufacture: Haisen
  • Editor's Impressions Of The HITOP HP-118
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

HITOP HP-118 Final Thoughts

"Turtle tank."

I contacted Marineland about my issue and they promptly sent me a new one right away! Overall I would recommend this item. They can be very noisy at the impeller, which sometimes quiets in time, but may not. I also don't like how short the intake tube is. They can be very noisy at the impeller, which sometimes quiets in time, but may not. Doing research I learned that if I add more filter media, the noise will subside. I have always used Marineland filters and been happy with them and their quality.

Overall Score
3.6


(291 Points)

4. BiOrb Service Kit SIX PACK

User Ratings: 75 5

biOrb First Impressions

"Added 3 baby turtles."

Overall, I like the 350's slim back design, and be able to add up to 4 cartridges. I had originally got one for my 75 Gallon tank housing an Oscar. You'll want to pull that water from the bottom. I've looked at so many filters and reviews. Of course the sound all depends on how much water is in the aquarium. 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.

  • BiOrb Service Kit SIX PACK
  • 6 BiOrb Service Kits
  • Suitable for ALL BiOrb, BiUbe, BiOrb FLOW and BiOrb Life aquariums
  • The kit contains everything you will need to service your aquarium, including conditioners to remove harmful chlorine from your tap water
  • The BiOrb Service Kits also contain a cleaning pad
  • The biOrb filter cartridge works like a waste bin, trapping dirt, and once full it should be thrown away and replaced with a new one
  • Manufacture: BiOrb
  • Editor's Impressions Of The biOrb
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

biOrb Final Thoughts

"This filter is perfect!"

SO I decided to order this for my 29 gallon tank. I was worried that it might be too much for my aquarium or that it would be loud. Lift the sticking wheel outuse a Q-tip to clean the slots where the wheel rests. Really happy with the money I was able to save. Marineland bio pumps have been around forever. It's easy to clean and we all know about easy. This filter comes with a sponge, activated carbon, and bio material in a mesh bag.

Overall Score
4.5


(92 Points)

5. Polar Aurora 265GPH / 266GPH / 370GPH / 525GPH External Aquarium Filter with Builtin Pump Kit Canist...

User Ratings: 69 7

Polar Aurora First Impressions

"Works great."

I also like the fact that it is relatively low profile and discreet looking. This is not my first experience with a marineland filter. This lives up to the praise that people give it. The current is strong but you can adjust it with the midsection lever. DO NOT CLEAN OR WASH the paper wheel itself. I AM IMPRESSED THAT IT WORKS AS IT ACTUALLY SHOULD! I eyedball everything and put it together with a look back at instructions.

  • Polar Aurora 265GPH / 266GPH / 370GPH / 525GPH External Aquarium Filter with Builtin Pump Kit Canister (266/370 / 525 GPH with Light)
  • Good for up to 75 gallon fish tanks SunSun parts can be applied Flow rate: 264 GPH (1000L/hr) Pump Power: 18W Hose size: 3/4" Max-H: 4.6 feet
  • 3 media trays capable of handling your choice of filtration media; Comes with an adjustable spray bar. This is a helpful feature if you want to adjust the output flow from the filter. No Light!!!
  • Convenient self-priming pump that eliminates the need for manual siphoning; Single valve disconnect & priming pump ease routine maintenance
  • Canister filters for aquariums use high water pressure, from a properly powered pump, to force water through the dense filter media. A pump can draw water from an under-gravel filter, and run it into a canister for double filtration
  • The three flexible media trays allow you to add other filtration media such as SunSun's activated carbons, ceramic rings or bio-balls to achieve excellent mechanical, chemical, and biological filtration.
  • 3 stages of filtration
  • 110-120V 50-60Hz
  • Max height: 4.6 feet
  • Manufacture: Polar Aurora
  • Product Dimensions: 10 x 10 x 16 inches; 11.75 Pounds
  • Editor's Impressions Of The Polar Aurora
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

Polar Aurora Final Thoughts

"This thing is super loud!"

They were great to deal with and the new filter is working great! One thing I think is worth mentioning is the need to prime the filter. I have had no issues with it being to loud. The instructions are a bit to much for me. I used a small pair of pliers and carefully got the pebbles out. Your fish and you will be much happier and stun everyone else. What I don't like is how much smaller it is than the Aqueon.

Overall Score
4.4


(679 Points)

6. SeaChem – Large Aquarium Fish Tank Filter, Tidal 75 Gallon (300 Liters) by Sicce

User Ratings: 67 7

Seachem 67106501 First Impressions

"It works great."

Once I found that, the world was right again. I attempted to clean and lube the impeller, but to no avail. I've think I've had had six of them. You'll want to pull that water from the bottom. This filter really does a good job. I'm a mechanical engineer and understand design. My box came in good condition, parts where in tact and new.

  • SeaChem – Large Aquarium Fish Tank Filter, Tidal 75 Gallon (300 Liters) by Sicce
  • Manufacture: Deepwater Aquatics Distribution
  • Product Dimensions: 15 x 6 x 15 inches; 2.2 Pounds
  • Editor's Impressions Of The Seachem 67106501
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

Seachem 67106501 Final Thoughts

"Kudos to Amazon prime!"

A canister or in tank filter is ten times more work and messy. I have the topfin 29 gallon tank and used the HOB filter it came with. Following morning it was running quietly. I was also having oxygen issues because of this. I'm a mechanical engineer and understand design. I was also having oxygen issues because of this. It's easy to clean and we all know about easy.

Overall Score
4.3


(307 Points)

7. Penn Plax Cascade 400 Internal Bio Filters for Aquariums (3 Pack)

User Ratings: 85

Penn-Plax First Impressions

"Not ideal but it works."

Worst case is that the motor could burn out. Therefore, you wouldnt have 2 filters running. The ability to regulate the flow solves the loud waterfall problem. I will never buy any other HOB no matter what deal they might be offering. I have contacted customer service to see if I can get a replacement unit. I used to have a 37 gallon eclipse aquarium. Fill it up with water before you plug it in.

  • Penn Plax Cascade 400 Internal Bio Filters for Aquariums (3 Pack)
  • Pack of 3 Penn Plax Cascade 400 Internal Bio Filters for Aquariums
  • Convenient, no-fuss replacement cartridges for your Cascade 400 internal power filter.
  • Optimizes the colonization of beneficial aerobic bacteria.
  • Easy-to-replace disposable filters.
  • Manufacture: Penn Plax
  • Product Dimensions: 5 x 3 x 4 inches; 2.65 Ounces
  • Editor's Impressions Of The Penn-Plax
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

Penn-Plax Final Thoughts

"No effect."

Get it and take heed to what I wrote. This lives up to the praise that people give it. I liked the clean lined look and the pull out basket. This one is working perfectly good FOR RIGHT NOW. The filter stopped working all of a sudden. I have purchased several Aqua Clear filters over the years. SO I decided to order this for my 29 gallon tank.

Overall Score
4.8


(6 Points)

8. Aquapapa Aquarium Biological Bacteria House Ceramic Rings Filter Media 6 lbs Bagged for Pond Fish Ta...

User Ratings: 72 3

Aquapapa First Impressions

"The product itself."

My box came in good condition, parts where in tact and new. My box came in good condition, parts where in tact and new. My fish are definitely happier and my water is crystal clear. They are simply the best design for nitrifying bacteria to grow on. Oscars are very messy fish, especially during feeding. I had originally got one for my 75 Gallon tank housing an Oscar. It started out silent for about 30 mins and then it got super loud.

  • Aquapapa Aquarium Biological Bacteria House Ceramic Rings Filter Media 6 lbs Bagged for Pond Fish Tank Canister Filter
  • Porous ceramic media for efficient biological filtration.Their surface area and pores are sized to accommodate bacteria necessary for biological balance and to remove toxic ammonia and nitrite.
  • Hollow design effectively distributes water flow and allows massive colonies of beneficial bacteria to grow on and inside each ring, creating an ideal “bio chemical filter”.
  • Great for both fresh and saltwater aquariums
  • Size of ceramic ring: 11/16" x 5/8". Size of filter media bag: 8 " x 5.5 ".
  • Manufacture: Aquapapa Inc
  • Editor's Impressions Of The Aquapapa
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

Aquapapa Final Thoughts

"Suuuuupppeeerrrr Quiet."

You'll want to pull that water from the bottom. I checked and cleaned it and still just as loud. This filter really does a good job. In the afternoon the noises started again. Once it loses its charge, you'll need to replace it. I returned the Aqua Clear 70 and promptly received a replacement. Doing research I learned that if I add more filter media, the noise will subside.

Overall Score
4.6


(92 Points)

9. SunGrow Small Power Filter for Rimless Tanks, 100-240 V, 3-in-1 Filtration System, Hang On The Back,...

User Ratings: 42 19

SunGrow First Impressions

"This thing is a beast."

It started out silent for about 30 mins and then it got super loud. I stopped the pump and I pulled it apart. I used a small pair of pliers and carefully got the pebbles out. Oscars are very messy fish, especially during feeding. Basically, make sure everything that is suppose to spin, does so smoothly. Fill up the media slot with water until it's full. It sounds like a Big Air pump buzzing.

  • SunGrow Small Power Filter for Rimless Tanks, 100-240 V, 3-in-1 Filtration System, Hang On The Back, High-Performance Cotton Filter, Adjustable Flow Rate Up to 66 GPH, Energy-efficient, 1 Pack
  • ✔IMPROVES WATER QUALITY BY REMOVING WATER IMPURITIES --- Small Power Filter by SunGrow provides excellent chemical, mechanical & biological filtration using multimedia mechanism. It removes decaying organic matter, excess food, unsafe chemicals, free-floating particulate, and fish’s waste products from the water.
  • ✔WITH BIOCHEMICAL COTTON FILTER --- This hang on the back filter has sponge where water passes through its pores and can efficiently trap debris. Aerobic bacteria can also propagate in its pore’s large surface area. As the nitrifying bacteria cultivate, it naturally gives biological filtration in your tank.
  • ✔PROMOTES BETTER WATER CIRCULATION --- This premium quality aquarium accessory prevents the build-up of ammonia and nitrates. It increases oxygen and helps ventilate the water, so your fish can breathe.
  • ✔WITH ADJUSTABLE FLOW RATE --- Can be used for both fresh and sea water, this filter is engineered with flow adjustment function. The maximum flow rate is up to 250 L /H or 66 GPH.
  • ✔ EASY SETUP --- First attach the intake tube and add the filter cartridge. Hang on the back of your rimless aquarium. Open the top lid of the filter to add water so the tubes below can suck in water. Plug it in to enjoy all the convenience and health benefits to your fish.
  • Manufacture: Luffy Pets Collection
  • Editor's Impressions Of The SunGrow
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

SunGrow Final Thoughts

"Just a low hum."

I've think I've had had six of them. I had a lot of particles in the water. However, lately I've purchased the Aqua Clear 70 and 50. I will never buy any other HOB no matter what deal they might be offering. My box came in good condition, parts where in tact and new. Typically just below the flat part of the outlets. I use Marinelands refillable cartridge for extra carbon on the extra slots.

Overall Score
3.4


(43 Points)

10. QuietFlow Aqueon 50 LED Pro Power Filter

User Ratings: 64 9

QuietFlow 4334824686 First Impressions

"-Not self-priming."

They were great to deal with and the new filter is working great! This filter comes with a sponge, activated carbon, and bio material in a mesh bag. I used a small pair of pliers and carefully got the pebbles out. This is not my first experience with a marineland filter. I had a lot of particles in the water. They are easily found from mom-n-pop pet stores to large chain stores. They are easily found from mom-n-pop pet stores to large chain stores.

  • QuietFlow Aqueon 50 LED Pro Power Filter
  • The Aqueon QuietFlow LED Pro 50 Power Filter features four stages of filtration–mechanical, chemical, biological and wet/dry–for the cleanest, clearest, healthiest water
  • This new version includes an LED light that flashes when the cartridge becomes clogged, indicating it is time for replacement. The batteries are included for this feature.
  • 250 gph flow rate
  • Manufacture: Aqueon
  • Editor's Impressions Of The QuietFlow 4334824686
  • Filter Effectiveness
  • Quality
  • Value For Money
  • Affordability

QuietFlow 4334824686 Final Thoughts

"It just is."

Overall, I like the 350's slim back design, and be able to add up to 4 cartridges. I'm a mechanical engineer and understand design. You'll want to pull that water from the bottom. You do have to unplug it for those two jobs. Marineland bio pumps have been around forever. I've think I've had had six of them. My old pump was not working very well so I had to make a major clean up.

Overall Score
4.2


(189 Points)

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