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Best Seller
EasyBalance Plus Weekly Freshwater Aquarium Water Conditioner, 16.9 fl. oz., 16.9 FZ

EasyBalance Plus Weekly Freshwater Aquarium Water Conditioner, 16.9 fl. oz., 16.9 FZ

Tetra EasyBalance Plus works to maintain healthy levels of essential aquarium water chemistry necessary to keep your fish happy and healthy. This easy-to-use formula regulates pH and alkalinity and reduces nitrates and phosphates. At the same time,... ... more

EasyBalance Plus Weekly Freshwater Aquarium Water Conditioner, 16.9 fl. oz., 16.9 FZ

Tetra EasyBalance Plus works to maintain healthy levels of essential aquarium water chemistry necessary to keep your fish happy and healthy. This easy-to-use formula regulates pH and alkalinity and reduces nitrates and phosphates. At the same time,...

Petco.com

$9.99

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Easy Balance Plus Weekly Freshwater Aquarium Water Conditioner, 8.45 fl. oz., 8.45 FZ

Easy Balance Plus Weekly Freshwater Aquarium Water Conditioner, 8.45 fl. oz., 8.45 FZ

Tetra EasyBalance Water TreatmentEasyBalance provides an invaluable safety net for the time challenged hobbyist. Nitraban adds further stability to aquariums by helping natural bacteria complete the nitrogen cycle. These white, biodegradable granules... ... more

Easy Balance Plus Weekly Freshwater Aquarium Water Conditioner, 8.45 fl. oz., 8.45 FZ

Tetra EasyBalance Water TreatmentEasyBalance provides an invaluable safety net for the time challenged hobbyist. Nitraban adds further stability to aquariums by helping natural bacteria complete the nitrogen cycle. These white, biodegradable granules...

Petco.com

$10.99

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Best Seller
Water Conditioner, 4 fl. oz., 4 FZ

Water Conditioner, 4 fl. oz., 4 FZ

The Fluval Water Conditioner is your trusty sidekick in ensuring that your aquarium is a stress-free and healthy environment for your finned friends. With just a few drops, you can say goodbye to pesky chlorine, chloramine, and unwanted metals in your... ... more

Water Conditioner, 4 fl. oz., 4 FZ

The Fluval Water Conditioner is your trusty sidekick in ensuring that your aquarium is a stress-free and healthy environment for your finned friends. With just a few drops, you can say goodbye to pesky chlorine, chloramine, and unwanted metals in your...

Petco.com

$3.99

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Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

In addition to delivering crystal-clear water throughout the aquarium. This filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 gallons in size. It’s great for freshwater and saltwater aquariums, along with a variety of terrarium... ... more

Penn Plax Cascade 600 Fully Submersible Internal Aquarium Filter, Crystal in Black/Blue | 11.5 H x 3 W x 4 D in | Wayfair CIF3

In addition to delivering crystal-clear water throughout the aquarium. This filter cycles water at 175 Gallons per Hour (GPH) for tanks up to 50 gallons in size. It’s great for freshwater and saltwater aquariums, along with a variety of terrarium...

Wayfair

$54.99

FREE shipping

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Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF3

Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF3

The 150 quietly delivers crystal clear water, and pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax 150 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF3

The 150 quietly delivers crystal clear water, and pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or...

Wayfair

$45.92

FREE shipping

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Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

The 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or decreased... ... more

Penn Plax 20 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 4.5 H x 3.75 W x 3 D in | Wayfair CPF6

The 20 quietly delivers crystal clear water and pushes water at 20 Gallons per Hour (GPH) for tanks up to 7 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or decreased...

Wayfair

$28.03

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PhosGuard for Freshwater & Saltwater, 2.1 oz

PhosGuard for Freshwater & Saltwater, 2.1 oz

Rapidly removes phosphate & silicate from marine & freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard is highly porous for high capacity & bead-shaped for optimum water flow. ... more

PhosGuard for Freshwater & Saltwater, 2.1 oz

Rapidly removes phosphate & silicate from marine & freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard is highly porous for high capacity & bead-shaped for optimum water flow.

Petco.com

$6.44

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pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce Bottle, 4 OZ

pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce Bottle, 4 OZ

If you're a fish enthusiast, you know that pH levels are super important for your underwater friends to thrive. With this 4-ounce bottle of magic, you can easily adjust your aquarium's pH to the perfect level for your fishy friends. ... more

pH DOWN Freshwater Aquarium Water pH Reducing Solution 4-Ounce Bottle, 4 OZ

If you're a fish enthusiast, you know that pH levels are super important for your underwater friends to thrive. With this 4-ounce bottle of magic, you can easily adjust your aquarium's pH to the perfect level for your fishy friends.

Petco.com

$5.88

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Planted & Shrimp Aquarium Water Conditioner, 4 fl. oz., 4 FZ

Planted & Shrimp Aquarium Water Conditioner, 4 fl. oz., 4 FZ

Imagitarium Planted & Shrimp Aquarium Water Conditioner targets chlorine and chloramines to ensure that your aquatic plants and invertebrate enhabitants are cared for. Containing vitamins and trace elements, this conditioner will take care of treating... ... more

Planted & Shrimp Aquarium Water Conditioner, 4 fl. oz., 4 FZ

Imagitarium Planted & Shrimp Aquarium Water Conditioner targets chlorine and chloramines to ensure that your aquatic plants and invertebrate enhabitants are cared for. Containing vitamins and trace elements, this conditioner will take care of treating...

Petco.com

$7.99

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BettaSafe Aquarium Water Conditioner For Bettas, 1.69 fl. oz., 1.69 FZ

BettaSafe Aquarium Water Conditioner For Bettas, 1.69 fl. oz., 1.69 FZ

TetraAqua BettaSafe for Bettas is a complete water conditioner formula that works in seconds. Neutralizes harmful chlorine, chloramines and heavy metals in tap water and adds a protective slime coating. For use when setting up a new freshwater... ... more

BettaSafe Aquarium Water Conditioner For Bettas, 1.69 fl. oz., 1.69 FZ

TetraAqua BettaSafe for Bettas is a complete water conditioner formula that works in seconds. Neutralizes harmful chlorine, chloramines and heavy metals in tap water and adds a protective slime coating. For use when setting up a new freshwater...

Petco.com

$7.99

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AquaSafe Plus Water Conditioner And Dechlorinator for All Fresh and Marine Aquarium, 33.8 fl. oz., 33.8 FZ

AquaSafe Plus Water Conditioner And Dechlorinator for All Fresh and Marine Aquarium, 33.8 fl. oz., 33.8 FZ

Tetra AquaSafe Plus works instantly to make tap water safe for fish in freshwater and marine aquariums. This BioExtract formula contains natural biopolymers to support the development of beneficial filter bacteria for healthy and clear water. These... ... more

AquaSafe Plus Water Conditioner And Dechlorinator for All Fresh and Marine Aquarium, 33.8 fl. oz., 33.8 FZ

Tetra AquaSafe Plus works instantly to make tap water safe for fish in freshwater and marine aquariums. This BioExtract formula contains natural biopolymers to support the development of beneficial filter bacteria for healthy and clear water. These...

Petco.com

$13.99

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ShrimpTank Plus Water Conditioner, 4 fl. oz., 4 FZ

ShrimpTank Plus Water Conditioner, 4 fl. oz., 4 FZ

Are you ready to give your freshwater shrimp and crayfish the ultimate spa treatment? Look no further than Aqueon ShrimpTank Plus Water Conditioner! Our specially formulated conditioner instantly turns tap water into a safe haven for your aquatic... ... more

ShrimpTank Plus Water Conditioner, 4 fl. oz., 4 FZ

Are you ready to give your freshwater shrimp and crayfish the ultimate spa treatment? Look no further than Aqueon ShrimpTank Plus Water Conditioner! Our specially formulated conditioner instantly turns tap water into a safe haven for your aquatic...

Petco.com

$2.75

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Water Conditioner, 4 fl. Oz, 4 FZ

Water Conditioner, 4 fl. Oz, 4 FZ

This easy-to-use formula removes chlorine, chloramine and heavy metals commonly found in tap water - add it to all tap water before adding to your aquarium to ensure your fish are safe. This formula's immune boosters and slime protectant promote fish... ... more

Water Conditioner, 4 fl. Oz, 4 FZ

This easy-to-use formula removes chlorine, chloramine and heavy metals commonly found in tap water - add it to all tap water before adding to your aquarium to ensure your fish are safe. This formula's immune boosters and slime protectant promote fish...

Petco.com

$7.99

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AquaPacs Water Conditioner, 10 Gallon, Pack of 4

AquaPacs Water Conditioner, 10 Gallon, Pack of 4

Protect your fish from the harmful effects of chlorine with Aqueon AquaPacs Water Conditioner. When setting up a new aquarium or adding fresh water during water changes, it's crucial to neutralize any chlorine present in the tap water. Failure to do so... ... more

AquaPacs Water Conditioner, 10 Gallon, Pack of 4

Protect your fish from the harmful effects of chlorine with Aqueon AquaPacs Water Conditioner. When setting up a new aquarium or adding fresh water during water changes, it's crucial to neutralize any chlorine present in the tap water. Failure to do so...

Petco.com

$7.95

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Leafy Green Liquid CO2 Aquarium with Fresh Water Plants, 8 fl. oz., 1.9 IN

Leafy Green Liquid CO2 Aquarium with Fresh Water Plants, 8 fl. oz., 1.9 IN

Before you start thinking about throwing a party for your leafy green aquatic pals, make sure they're getting the best of the best with Aqueon Leafy Green Liquid CO2 Aquarium! This superstar product is all about giving your freshwater plants the... ... more

Leafy Green Liquid CO2 Aquarium with Fresh Water Plants, 8 fl. oz., 1.9 IN

Before you start thinking about throwing a party for your leafy green aquatic pals, make sure they're getting the best of the best with Aqueon Leafy Green Liquid CO2 Aquarium! This superstar product is all about giving your freshwater plants the...

Petco.com

$8.24

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Frozen Saltwater Multipacks, 3.5 oz.

Frozen Saltwater Multipacks, 3.5 oz.

Frozen Saltwater Multipack - Four Varieties of Food - For All Saltwater Fish - Saltwater Multi-Pack is four varieties of food in one package! It contains 6 each of Marine Cuisine, Emerald Entree, Plankton, and Omega Brine Shrimp in a convenient cube... ... more

Frozen Saltwater Multipacks, 3.5 oz.

Frozen Saltwater Multipack - Four Varieties of Food - For All Saltwater Fish - Saltwater Multi-Pack is four varieties of food in one package! It contains 6 each of Marine Cuisine, Emerald Entree, Plankton, and Omega Brine Shrimp in a convenient cube...

Petco.com

$10.49

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Aquarium Starter Kit Multipack, 12 oz.

Aquarium Starter Kit Multipack, 12 oz.

The Imagitarium Aquarium Starter Kit provides you with four essential water treatments formulated to help you keep your new aquarium clean and its new inhabitants healthy and happy. The Water Conditioner treats tap water to make it safe for your tank... ... more

Aquarium Starter Kit Multipack, 12 oz.

The Imagitarium Aquarium Starter Kit provides you with four essential water treatments formulated to help you keep your new aquarium clean and its new inhabitants healthy and happy. The Water Conditioner treats tap water to make it safe for your tank...

Petco.com

$11.99

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Stability Water Conditioner, 3.4 FZ

Stability Water Conditioner, 3.4 FZ

Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: new tank syndrome. Stability is formulated specifically for the aquarium and contains a synergistic... ... more

Stability Water Conditioner, 3.4 FZ

Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: new tank syndrome. Stability is formulated specifically for the aquarium and contains a synergistic...

Petco.com

$3.94

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Piscine Energetics Frozen PE Calanus 4oz Blister Pack, 3.5 oz, 4 OZ

Piscine Energetics Frozen PE Calanus 4oz Blister Pack, 3.5 oz, 4 OZ

PE Calanus are a highly desired and nutritious food choice for freshwater and saltwater fish, invertebrates, corals and other filter feeding organisms. ... more

Piscine Energetics Frozen PE Calanus 4oz Blister Pack, 3.5 oz, 4 OZ

PE Calanus are a highly desired and nutritious food choice for freshwater and saltwater fish, invertebrates, corals and other filter feeding organisms.

Petco.com

$19.99

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Stability Water Conditioner, 8.5 FZ

Stability Water Conditioner, 8.5 FZ

Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: new tank syndrome. Stability is formulated specifically for the aquarium and contains a synergistic... ... more

Stability Water Conditioner, 8.5 FZ

Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: new tank syndrome. Stability is formulated specifically for the aquarium and contains a synergistic...

Petco.com

$8.40

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BioPlus 100, 5.31" L X 4.84" W X 11.42" H, 1.5 LBS

BioPlus 100, 5.31" L X 4.84" W X 11.42" H, 1.5 LBS

The BioPlus line of premium internal corner filters is perfect for medium sized freshwater aquariums. This filter uses biological, mechanical, and chemical filtration for optimal water quality and clarity. OASE offers fine and fleece replacement foams... ... more

BioPlus 100, 5.31" L X 4.84" W X 11.42" H, 1.5 LBS

The BioPlus line of premium internal corner filters is perfect for medium sized freshwater aquariums. This filter uses biological, mechanical, and chemical filtration for optimal water quality and clarity. OASE offers fine and fleece replacement foams...

Petco.com

$71.99

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Plastic Aquarium Plant Variety Pack, Large, Pink

Plastic Aquarium Plant Variety Pack, Large, Pink

Plastic aquarium plants safe for both freshwater or saltwater environments. Variety pack includes 4 aquarium plants of varying sizes. Natural looking and beautiful. ... more

Plastic Aquarium Plant Variety Pack, Large, Pink

Plastic aquarium plants safe for both freshwater or saltwater environments. Variety pack includes 4 aquarium plants of varying sizes. Natural looking and beautiful.

Petco.com

$14.99

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Ammonia Neutralizer, 4 oz., 4 FZ

Ammonia Neutralizer, 4 oz., 4 FZ

Aqueon Ammonia Neutralizer neutralizes ammonia and nitrites that can build up in aquarium water.Acts as a water conditioner by neutralizing chlorine and chloramines, preparing tap water for fishSafe for fresh and saltwater aquariums ... more

Ammonia Neutralizer, 4 oz., 4 FZ

Aqueon Ammonia Neutralizer neutralizes ammonia and nitrites that can build up in aquarium water.Acts as a water conditioner by neutralizing chlorine and chloramines, preparing tap water for fishSafe for fresh and saltwater aquariums

Petco.com

$9.99

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Penn Plax Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

Penn Plax Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

The Cascade 200 quietly delivers crystal clear water, and pushes water at 185 Gallons per Hour (GPH) for tanks up to 55 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax Cascade 200 Power Hang-On Aquarium Filter, Crystal in Black/Blue | 6.75 H x 7.25 W x 4.75 D in | Wayfair CPF4

The Cascade 200 quietly delivers crystal clear water, and pushes water at 185 Gallons per Hour (GPH) for tanks up to 55 Gallons in size. It’s great for Freshwater and Saltwater Aquariums. Accommodating: The adjustable flow knob allows for increased or...

Wayfair

$49.59

FREE shipping

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Algaefix, 4 oz., 4 FZ

Algaefix, 4 oz., 4 FZ

Aquarium Pharmaceuticals AlgaefixAquarium Pharmaceuticals Algaefix is a revolutionary product specially developed to control many types of algae in freshwater aquariums containing live fish and plants. Algaefix effectively controls green water algae... ... more

Algaefix, 4 oz., 4 FZ

Aquarium Pharmaceuticals AlgaefixAquarium Pharmaceuticals Algaefix is a revolutionary product specially developed to control many types of algae in freshwater aquariums containing live fish and plants. Algaefix effectively controls green water algae...

Petco.com

$9.48

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Bubbling Column Airstone 4-Pack, 1"

Bubbling Column Airstone 4-Pack, 1"

The Imagitarium Bubbling Column Airstone 4-Pack uses a continuous burst of bubbles to increase oxygen levels, aerate your aquarium's water and improve circulation. Use standard airline tubing and connectors to increase their reach throughout your pets'... ... more

Bubbling Column Airstone 4-Pack, 1"

The Imagitarium Bubbling Column Airstone 4-Pack uses a continuous burst of bubbles to increase oxygen levels, aerate your aquarium's water and improve circulation. Use standard airline tubing and connectors to increase their reach throughout your pets'...

Petco.com

$3.19

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API Algaefix, 8 oz., 8 FZ

API Algaefix, 8 oz., 8 FZ

AlgaeFix easy to use water conditioner effectively controls "green water" algae blooms and helps resolve algae problems in your freshwater aquarium containing live plants and fish.Treats up to 2,400 gallonsReduces aquarium maintenance ... more

API Algaefix, 8 oz., 8 FZ

AlgaeFix easy to use water conditioner effectively controls "green water" algae blooms and helps resolve algae problems in your freshwater aquarium containing live plants and fish.Treats up to 2,400 gallonsReduces aquarium maintenance

Petco.com

$13.99

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Ceramic Filter Media, 10.6 oz

Ceramic Filter Media, 10.6 oz

The Imagitarium Ceramic Filter Media Rings allow beneficial bacteria that aids in the reduction of algae to thrive. These aquarium water filter rings work in freshwater and saltwater aquariums, maximizing efficiency of sumps, canister filters and power... ... more

Ceramic Filter Media, 10.6 oz

The Imagitarium Ceramic Filter Media Rings allow beneficial bacteria that aids in the reduction of algae to thrive. These aquarium water filter rings work in freshwater and saltwater aquariums, maximizing efficiency of sumps, canister filters and power...

Petco.com

$6.99

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BioPlus 50, 5.31" L X 4.84" W X 9.06" H, 1.4 LBS

BioPlus 50, 5.31" L X 4.84" W X 9.06" H, 1.4 LBS

The BioPlus line of premium internal corner filters is perfect for medium sized freshwater aquariums. This filter uses biological, mechanical, and chemical filtration for optimal water quality and clarity. OASE offers fine and fleece replacement foams... ... more

BioPlus 50, 5.31" L X 4.84" W X 9.06" H, 1.4 LBS

The BioPlus line of premium internal corner filters is perfect for medium sized freshwater aquariums. This filter uses biological, mechanical, and chemical filtration for optimal water quality and clarity. OASE offers fine and fleece replacement foams...

Petco.com

$63.99

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Navy BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

Navy BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and... ... more

Navy BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and...

Petco.com

$40.27

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White BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

White BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and... ... more

White BioStyle 20 Hang-On Filter, 100 GPH, 4.5 W / 6 IN

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and...

Petco.com

$42.99

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