Best Freshwater Aquarium Filter - April 2024

API FILSTAR XP FILTER SIZE L Aquarium Canister Filter 1-Count Box

• ASIN: B000260FX4
• UPC: 017163007227
• ASIN: B000260FX4
• Brand: API
• Size: 1 count
• Manufacturer: Aquarium Pharmaceuticals

Marineland Penguin Power Filter, 50 to 70-Gallon, 350 GPH

• ASIN: B0009IMDQM
• UPC: 723061221022
• ASIN: B0009IMDQM
• Brand: MarineLand
• Size: 50 to 70-Gallon, 350 GPH
• Manufacturer: Marineland

CerMedia MarinePure Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch

Ceramic Bio-Filter Media with Vast Surface Area AND Open-Flow Porosity. Designed to improve upon deep sand beds or live rock to lower nitrates in marine & freshwater aquariums. Will also remove ammonia & nitrites. Use in sumps or in extra large filters.The product is from a naturally occurring pumice that can range in colors from white to light brown. A light film developing on the media is one of the keys to it working and is perfectly normal.

• ASIN: B00HYUY35W
• UPC: 857246002035
• ASIN: B00HYUY35W
• Brand: CerMedia MarinePure
• Size: 4" Block
• Manufacturer: CerMedia MarinePure

boxtech Aquarium Filter Media, Ceramic Biological Filter Media for Marine and Freshwater Fish Tank, Two Pcs

 Boxtech Aquarium Filter Media, Ceramic Biological Filter Media for Marine and Freshwater Fish Tank Feature: 1.Quickly successful culture the nitrifying bacteria:ceramic bio media made of ceramic material, the three-dimensional pores formed by the spheres and spheres produce a powerful bacteria effect 10 times that of the conventional filter materials. 2.Ceramic Bio-Filter Media has the function of absorbing water and not clogging, durable and won't affect water chemistry,it is more safe for your fish. 3.Fit for SaltWater and FreshWater Aquarium and safe for your fish tank. 4.Can remove Nitr... [Read More]

• ASIN: B07P69ZQPL
• UPC: 781573732573
• ASIN: B07P69ZQPL
• Brand: boxtech
• Manufacturer: Boxtech

Aquarium Filter Pad - Premium True Dual Density 12" by 72" by 3/4 to 1" Aquarium Filter Media Roll for Crystal Clear Water

"very happy with the effectiveness of this product" "installed the media and next morning my water was pristine" FilterFirst Premium Dual Density Filter Pad Provides Proven Superior Mechanical Filtration. Thoroughly Tested on Thousands of Aquariums Owning an aquarium store and an aquarium service company for 25 years meant that I had to search out and test countless filter pads to find the best ones for my clients. Our Premium Filter Pads quickly became the top choice for filtration media; they filter large and fine debris from the water and offer consistent and repeatable filtration perform... [Read More]

• ASIN: B01AHIOM8A
• ASIN: B01AHIOM8A
• Brand: Aquatic Experts
• Size: 12" by 72" by 3/4 to 1" Thick
• Manufacturer: Aquatic Experts

Penn Plax Cascade Hang-on Aquarium Filter with Quad Filtration System Cleans Up to 100 Gallon Tank

The Penn Plax Cascade Hang On Aquarium Filter features a revolutionary Bio-Falls Quad Filtration System to keep your tank clean and healthy. The polyfiber floss cartridge traps floating particulate matter while the activated carbon cartridge removes harmful chemicals, toxins, odors, discoloration and other contaminants from the water. The internal sponge optimizes the colonization of beneficial anaerobic bacteria while removing ammonia and nitrites. The external Bio-Falls wet/dry biological booster provides anaerobic bacteria for additional ammonia and nitrite removal while enhancing oxygen ex... [Read More]

• ASIN: B0002DJ82G
• UPC: 740023708216
• ASIN: B0002DJ82G
• Brand: Penn Plax
• Size: Cascade 300
• Manufacturer: Monster Pets

Penn Plax Cascade 1500 - 350GPH Canister Filter

Cascade Canister Filters from Penn Plax offer heavy-duty multi-stage external filtration for your fresh or salt water aquarium. The Cascade 1500 Canister Filter can handle aquariums up to 200 gallons efficiently providing up to 350 gph of flow. These filters allow you to combine the benefits of several types of media delivering powerful mechanical, chemical & biological filtration for crystal clear water in fresh or marine environments. Easy to install, these filters come with all the necessary accessories to connect to your tank and begin filtering in approximately 30 minutes and see visable ... [Read More]

• ASIN: B0002DJ9PW
• UPC: 740023129202
• ASIN: B0002DJ9PW
• Brand: Penn Plax
• Size: Cascade® 1500
• Manufacturer: Monster Pets

API Aquarium Salt Freshwater Aquarium Salt 65 oz Box

A lack of electrolytes in aquarium freshwater may cause serious health problems for freshwater fish. API AQUARIUM SALT supplies electrolytes to improve fish respiration. Made from evaporated sea water and containing natural active ingredients such as a natural fish tonic, API AQUARIUM SALT promotes the overall health of your fish by improving their gill function and reducing stress in a freshwater aquarium. This all-natural salt provides the essential electrolytes fish need for the uptake of oxygen and release of carbon dioxide and ammonia through the gills. API AQUARIUM SALT should only be ad... [Read More]

• ASIN: B0010P0ZJK
• UPC: 700580075374
• ASIN: B0010P0ZJK
• Brand: API
• Size: 65 oz
• Manufacturer: Aquarium Pharmaceuticals

AA Aquarium Green Killing Machine 9 Watt | Internal UV Sterilizer System with Power Head | Kills Algae, Bacteria, and Waterborne Pathogens | Easy, Submersible Installation

Keep your fish healthier and tank clearer with an advanced UV system for your aquarium - the Green Killing Machine. UV biologically cleans the water in your tank! When you need to control the bacteria in your fish tank and want to safely eliminate algae, improve clarity, and keep fish healthy, you need the AA Aquarium Green Killing Machine; an advanced UV system that’s better for your tank and your fish. Complete with a power head, this in-tank UV system helps remove impurities by using proven UV light technology and preventing growth of unwanted microorganisms. And because installation is q... [Read More]

• ASIN: B001KP9B2W
• ASIN: B001KP9B2W
• Brand: AA Aquarium
• Size: Green Killing Machine Internal 9 Watt UV Sterilizer with Power Head
• Manufacturer: Pro-Motion Distributing - Direct

DANNER MANUFACTURING EZ Clean 55 Gallon Filter with Built-in Water Change Siphon, Gravel Cleaner, Dual Cartridges (for Fresh & Salt Water) #01105

The supreme EZ clean external filter is the first filter of its kind.; it features a complete filtration system that mechanically, chemically and biologically filters your water. It also features an innovative built-in gravel cleaner that easily and safely removes fish waste and debris from the gravel. The EZ clean filter also features an innovative water change feature, with no need to purchase a separate siphon, that removes and refills aquarium water using the pumps motor.

• ASIN: B01193GBYK
• UPC: 025033011052
• ASIN: B01193GBYK
• Brand: DANNER MANUFACTURING
• Size: Standard
• Manufacturer: Danner Manufacturing

API NITRA-ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag

When left uncorrected, high nitrate in aquarium water can lead to water problems invisible to the eye, poor fish health and a build-up of organic pollutants. It is recommended to test water weekly. API NITRA-ZORB is a filtration media in a pouch format that works to remove harmful toxins, such as ammonia, nitrate, and nitrite, from freshwater aquariums. API NITRA-ZORB reduces the risk of fish loss when starting or maintaining an aquarium. API NITRA-ZORB can be reused after being recharged in a salt solution. Fits most canister filters on the market. Use as directed on product label. With API A... [Read More]

• ASIN: B003SNHYXC
• UPC: 078433168284
• ASIN: B003SNHYXC
• Brand: API
• Size: Size 6
• Manufacturer: Aquarium Pharmaceuticals

Polishing Filter Pad 100 Micron - 1 Pack -Superior Aquarium Prefilter Media - Cut to Fit 24" by 36" for Fresh Water & Saltwater Fish Tanks, Aquaculture, Hydroponics - Made in USA

"it was like magic to see that water could become even clearer the next day after being polished" "heavy duty cleaning pad" "best purchase experience in every category"100 Micron Polishing Filter Pads removes large and fine debris to produce sparkling crystal clear water Better Filtration The fibers in our polishing filter pads effectively trap uneaten foods, waste excreted by livestock, decaying plants, detritus, dust, and other floating particulates from aquarium water. Clean or replace pads often to improve water quality. Clean and reuse Our polishing pad can be rinsed clean in a sink... [Read More]

• ASIN: B014G7WTRY
• ASIN: B014G7WTRY
• Brand: Aquatic Experts
• Size: 1 pack
• Manufacturer: Aquatic Experts

Aqua Clear - Fish Tank Filter - 20 to 50 Gallons - 110v

• ASIN: B000260FUM
• UPC: 015561106108
• ASIN: B000260FUM
• Brand: Aqua Clear
• Size: 300g
• Manufacturer: Rolf C. Hagen (USA) Corp.

CerMedia MarinePure 1.5-Inch Sphere Bio-Filter Media for Marine and Freshwater Aquariums, 2-Quart

Ceramic Bio-Filter Media with Vast Surface Area & Open-Flow Porosity. For ammonia & nitrite removal in fresh & marine aquariums. One MarinePure Sphere has the same surface area as 1,350 plastic bio-balls. Use in wet/dry filters, sumps or canister filters.

• ASIN: B00HT2ARQY
• UPC: 857246002004
• ASIN: B00HT2ARQY
• Brand: CerMedia MarinePure
• Size: 1.5" Spheres, 2 Quarts
• Manufacturer: CerMedia MarinePure

Beseder Biological Booster Aquarium Fish Tank Cleaner. Makes Water Healthier, Reduces nitrites & Ammonia for Happy Fish & far Less Cleaning. Fish Tank Supplies for Fish Tank Filter, Glass Cleaning

* Are you looking for fish tank chemicals or fish tank cleaning supplies that will enhance the fish tank treatment? Let's make your inhabitants much healthier and get them rid of cloudy fish tank water just in few capsules of BESEDER Clean Aqua fish tank cleaner. * Biological preparation BESEDER is used as a AQUARIUM WATER CLARIFIER remediation agent and CLEANER FOR FISHTANK that accelerates organic materials decomposition. * WATER CLARIFIER for fish tank 2 capsules per month will easily save your fish from different diseases. * Biologically active enzymes and microorganisms of AQUARIUM WATE... [Read More]

• ASIN: B076P8C3CQ
• UPC: 653559996883
• ASIN: B076P8C3CQ
• Brand: Beseder
• Size: Small
• Manufacturer: Beseder

Aqua-Tech EZ-Change Replacement #3 Aquarium Filter Cartridge, 6 pack

Keep your power filter perfoming like new with these AquaTech Filter Cartridges. Their activated carbon removes odor, discoloration, impurities and toxins in your tank on contact. They also have a coarse layer of floss that

• UPC: 10291577
• Color: Blue
• Size: 6MEDIUM/LARGE
• Rating: 4.64

Tetra Whisper Extra Small XS Aquarium Filter Cartridges, 4-pack

Tetra Whisper XS Filter Cartridges help keep the water in your aquarium crystal clear. A fresh filter will remove a full range of particulates from your aquarium water to provide a healthier environment for your

• UPC: 916761367
• Model: AQ-78052
• Rating: 4.727

Aqua-Tech EZ-Change Aquarium Filter Cartridge for Power Filters, 3pk

Replacement AquaTech Filter Cartridges, 20/40-30/60, help your AquaTech power filter to perform like new. A coarse layer of floss in each carbon filter cartridge helps remove larger debris. AquaTech Power Filter Cartridges utilize activated carbon

• UPC: 10313128
• Color: Blue
• Size: 33 ct
• Rating: 4.64

Tetra Whisper Replacement Carbon Aquarium Filter Cartridges, Med 6 ct

Tetra brand is a name you can trust in the aquatics industry. With decades of proven performance and high quality products it’s no wonder Tetra is the go to brand for aquatics beginners and veterans

• UPC: 51494063
• Model: 26350
• Color: Other
• Rating: 4.605

Aqua-Tech EZ-Change Aquarium Filter Cartridge for 5-15G Filters, 6pk

The AquaTech Cartridge, 6-Pack, installs in seconds and works quickly to keep your power filter performing. No messy assembly is required. It removes larger debris as well as odor, discoloration, impurities and toxins on contact.

• UPC: 10291975
• Color: Black
• Size: 6
• Rating: 4.598

Marineland Penguin Bio-Wheel Power Filter Aquarium Filter Cartridges, Rite-Size C, 6-pack

For more than 40 years, Marineland has been committed to fishkeeping success. By applying biological science, advanced engineering and imagination to fishkeeping, Marineland continues to be the leader in innovative aquatic environments & equipment. Today,

• UPC: 34060886
• Model: PA0133-06
• Color: Multicolor
• Size: 6-pack

Tetra Whisper Replacement Carbon Aquarium Filter Cartridges, Lg 8ct

• UPC: 16940354
• Model: 0004679826220
• Rating: 4.595

Tetra Aquarium Whisper, 20-40 Gallon Internal Power Filter

Keep your fish tank clean and your fish healthier and more comfortable with the Aquaculture Aqua-Tech 20 to 40 Gal Power Filter. This powerful filter has a new and easier to maintain design than previous

• UPC: 26986501
• Model: 25692
• Color: Gray
• Rating: 3.857

Aqua Tech 5-15 Aquarium Power Filter to Clean and Maintain Tanks

The AquaTech Power Filter 5-15 helps to remove the toxic ammonia and nitrites from the aquarium water. This AquaTech Power Filter 5-15 provides filtration in three stages, which will keep your fish healthy and water

• UPC: 10313136
• Model: ML90737-00
• Color: Black
• Size: S
• Rating: 3.384

Tetra Whisper In-Tank Filter 3i for 1-3 Gallon Aquariums

The Tetra 1-3i Aquarium Filter is quiet and effective. It attaches to the inside of a fish tank, letting fish owners keep the aquarium close to the wall to prevent tipping. The Tetra filter quietly

• UPC: 10291765
• Model: WIF1-3
• Color: Black
• Size: S
• Rating: 2.642