What are fish tank filters?

Fish tank filters are devices necessary to maintaining clean water so your fish and plants can thrive. Filters usually consist of three filtration elements: mechanical, chemical, and biological.

Can an aquarium survive without a filter?

While it might be possible for an aquarium to survive without a filter, it's not recommended, especially if you have fish in the tank. A filtration system not only makes maintaining an aquarium easier, with fewer water changes required, but it also provides a better environment for both fish and plants.

Can a filter be too powerful for an aquarium?

Yes, fish tank filters can be too powerful for an aquarium and result in negative effects. For example, if a filter is too powerful with an overly strong water flow, it can cause excess stress to your fish. Filters that are too powerful can also potentially suck fish into the intake.

Can you over filter a fish tank?

Yes, you can over filter a fish tank if the aquarium filter is too strong and creating an excessively strong water flow. This can cause stress to your fish and even lead to nutrient deficiency in the tank.

Aquarium & Fish Tank Filters - Page 9 (Free Shipping)

Aquascape AquaSurge 4000-8000 Adjustable Flow Fish Pond Pump

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Lifegard QL-15/25/40 - Watt ballast for Lifegard QL-Series & AquaStep UV Sterilizers, 300-gal slide 2 of 9

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Lifegard QL-15/25/40 - Watt ballast for Lifegard QL-Series & AquaStep UV Sterilizers, 300-gal

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$68.44 Chewy Price

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Lifegard All-In-One Single Quiet One 2200 Fish Pond Pump

Rated 5 out of 5 stars

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$323.33 Chewy Price

$359.26 List Price

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Jebao SCP-150 Fish Aquarium Pump

Rated 4 out of 5 stars

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$115.98 Chewy Price

$149.99 List Price

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Eheim 2026/2028 Universal Fish Aquarium Pump Impeller

Rated 5 out of 5 stars

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$44.99 Chewy Price

$62.37 List Price

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TMC Pro Clear Ultima 55 Watt UV Sterilizer

$249.99 Chewy Price

$299.99 List Price

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Pro Clear Aquatic Systems Spiral Flex Hose, 3-ft, Grey

Rated 5 out of 5 stars

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$21.47 Chewy Price

$23.75 List Price

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Laguna PowerJet 600/2200 Fountain Pump Kit

$88.00 Chewy Price

$121.99 List Price

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Savio FilterWeir Set, 31-in

Rated 1 out of 5 stars

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$181.55 Chewy Price

$255.00 List Price

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Anjon Variable Speed Control Pond Filter

Rated 5 out of 5 stars

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$85.18 Chewy Price

$90.85 List Price

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AquaReady Calcium Reactor, 300-gal

Rated 5 out of 5 stars

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$229.99 Chewy Price

($0.77/gl) Price per Unit

$275.99 List Price

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Lifegard Quartz Sleeve for 120 Watt Pro-MAX UV Sterilizer, 900-gal

$66.79 Chewy Price

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Lifegard Bamboo Money Fish Aquarium Fountain & Plant Holder

$119.21 Chewy Price

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Lifegard AquaStep Pro 25 Watt UV Sterilizer, Blue, 200-gal

Rated 2.5 out of 5 stars

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$188.14 Chewy Price

$255.71 List Price

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TMC Reef Skim 2.0 1250 DC Aquarium Protein Skimmer

$359.99 Chewy Price

$379.99 List Price

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Aquascape UltraKlean Biological Pressure Fish Filter Quartz Sleeve, 3500 GPH

$39.99 Chewy Price

$49.99 List Price

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Pro Clear Aquatic Systems Hybrid Filter Sock, White, 4-in

$16.49 Chewy Price

$18.96 List Price

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TMC Vecton Titan 850 Aquarium UV Sterilizer, 25 Watt

$255.61 Chewy Price

$282.86 List Price

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Savio Stainless Steel UVinex Pond Filter System, 26-watt

Rated 5 out of 5 stars

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$251.13 Chewy Price

$328.00 List Price

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Anjon Stainless Steel Spillway, 60-in

$613.20 Chewy Price

$876.00 List Price

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OASE Indoor Aquatics Optimax 1150 Fish Pump

Rated 1 out of 5 stars

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$109.00 Chewy Price

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Lifegard QL-40 Watt Quartz Sleeve Replacement Part, 300-gal

$85.95 Chewy Price

$104.66 List Price

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Arrives between Jun 4 and Jun 9

Lifegard All-In-One Triple Quiet One 4000 Fish Pond Pump

Rated 3.3 out of 5 stars

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$423.20 Chewy Price

$470.22 List Price

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Arrives between Jun 3 and Jun 7

Lifegard FB300 Fluidized Bed Filter, 300-gal

$113.96 Chewy Price

($0.38/gl) Price per Unit

$126.62 List Price

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Lifegard QL-25 UV Sterilizer, Blue, 200-gal

$298.02 Chewy Price

($1.50/gl) Price per Unit

$331.13 List Price

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Aquascape AquaSurge Impeller Fish Aquarium Kit

$55.99 Chewy Price

$69.99 List Price

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Pro Clear Aquatic Systems Mesh Filter Sock, White, 3.75-in

$12.64 Chewy Price

$13.90 List Price

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Lifegard Quartz Sleeve for 55 Watt Pro-MAX UV Sterilizer, 350-gal

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$54.79 Chewy Price

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Savio Stainless Steel Uvinex High-Output Pond Filter System, 28-watt

Rated 5 out of 5 stars

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$264.70 Chewy Price

$352.00 List Price

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Lifegard Quiet One 100 Pump Bamboo Fountain with Plant Holder, Charcoal Grey Pot, 8-in base

$87.72 Chewy Price

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Arrives between Jun 4 and Jun 9

OASE Indoor Aquatics Optimax 135I Fish Pump

$30.00 Chewy Price

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TMC Reef Flow 2.0 16000 DC Wavemaker Aquarium Pump

$229.99 Chewy Price

$264.49 List Price

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AquaFX TFC Membrane Aquarium Filter, 150 GPD

$99.99 Chewy Price

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Lifegard PG 1600 115V Fish Pond Pump

$130.56 Chewy Price

$182.31 List Price

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Arrives between Jun 3 and Jun 7

Lifegard AquaStep Pro 15 Watt UV Sterilizer, Blue, 100-gal

Rated 4.3 out of 5 stars

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$141.10 Chewy Price

$191.78 List Price

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Aquascape Pre-Cut Kink-Free Pipe Fish Accessory, 6-ft x 3/4-in

Rated 5 out of 5 stars

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$27.99 Chewy Price

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Aquarium & Fish Tank Filters

Aquascape AquaSurge 4000-8000 Adjustable Flow Fish Pond Pump

Lifegard QL-15/25/40 - Watt ballast for Lifegard QL-Series & AquaStep UV Sterilizers, 300-gal

Lifegard All-In-One Single Quiet One 2200 Fish Pond Pump

Jebao SCP-150 Fish Aquarium Pump

Eheim 2026/2028 Universal Fish Aquarium Pump Impeller

TMC Pro Clear Ultima 55 Watt UV Sterilizer

Pro Clear Aquatic Systems Spiral Flex Hose, 3-ft, Grey

Laguna PowerJet 600/2200 Fountain Pump Kit

Savio FilterWeir Set, 31-in

Anjon Variable Speed Control Pond Filter

AquaReady Calcium Reactor, 300-gal

Lifegard Quartz Sleeve for 120 Watt Pro-MAX UV Sterilizer, 900-gal

Lifegard Bamboo Money Fish Aquarium Fountain & Plant Holder

Lifegard AquaStep Pro 25 Watt UV Sterilizer, Blue, 200-gal

TMC Reef Skim 2.0 1250 DC Aquarium Protein Skimmer

Aquascape UltraKlean Biological Pressure Fish Filter Quartz Sleeve, 3500 GPH

Pro Clear Aquatic Systems Hybrid Filter Sock, White, 4-in

TMC Vecton Titan 850 Aquarium UV Sterilizer, 25 Watt

Savio Stainless Steel UVinex Pond Filter System, 26-watt

Anjon Stainless Steel Spillway, 60-in

OASE Indoor Aquatics Optimax 1150 Fish Pump

Lifegard QL-40 Watt Quartz Sleeve Replacement Part, 300-gal

Lifegard All-In-One Triple Quiet One 4000 Fish Pond Pump

Lifegard FB300 Fluidized Bed Filter, 300-gal

Lifegard QL-25 UV Sterilizer, Blue, 200-gal

Aquascape AquaSurge Impeller Fish Aquarium Kit

Pro Clear Aquatic Systems Mesh Filter Sock, White, 3.75-in

Lifegard Quartz Sleeve for 55 Watt Pro-MAX UV Sterilizer, 350-gal

Savio Stainless Steel Uvinex High-Output Pond Filter System, 28-watt

Lifegard Quiet One 100 Pump Bamboo Fountain with Plant Holder, Charcoal Grey Pot, 8-in base

OASE Indoor Aquatics Optimax 135I Fish Pump

TMC Reef Flow 2.0 16000 DC Wavemaker Aquarium Pump

AquaFX TFC Membrane Aquarium Filter, 150 GPD

Lifegard PG 1600 115V Fish Pond Pump

Lifegard AquaStep Pro 15 Watt UV Sterilizer, Blue, 100-gal

Aquascape Pre-Cut Kink-Free Pipe Fish Accessory, 6-ft x 3/4-in

Category

UV Sterilizers

Sponge & Box Filters

Hang-On-Back Filters

Internal Tank Filters

External Aquarium Filters

Sumps & Refugium

Protein Skimmers

Water Pumps & Power Heads

Media Reactors

Pond Filters

Filter Socks & Rollers

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