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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

$9.30

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Best Seller
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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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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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

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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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Aquatan Water Conditioner, 1.3 GAL

Aquatan Water Conditioner, 1.3 GAL

1.3 gallons, treats up to 5,300 gallons. pH neutral water conditioner for tap water & fish care in the aquarium. Binds large amounts of heavy metals/aggressive chlorine immediately. ... more

Aquatan Water Conditioner, 1.3 GAL

1.3 gallons, treats up to 5,300 gallons. pH neutral water conditioner for tap water & fish care in the aquarium. Binds large amounts of heavy metals/aggressive chlorine immediately.

Petco.com

$94.99

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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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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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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 Krill Flat Pack, 3.5 oz.

Frozen Krill Flat Pack, 3.5 oz.

Krill are harvested from Antarctic waters and contain extremely high Omega-3's and astaxanthin (a carotenoid responsible for the vibrant colors of tropical fish). Excellent for your large freshwater and marine tropicals. Krill provide essential... ... more

Frozen Krill Flat Pack, 3.5 oz.

Krill are harvested from Antarctic waters and contain extremely high Omega-3's and astaxanthin (a carotenoid responsible for the vibrant colors of tropical fish). Excellent for your large freshwater and marine tropicals. Krill provide essential...

Petco.com

$9.99

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Freshwater Flakes, 5.3 oz.

Freshwater Flakes, 5.3 oz.

This delicious recipe of fresh, cold water seafood is blended specifically to enhance the levels of Omega 6 fatty acids. Omega 6 fatty acids are extremely valuable to freshwater species for strong immune systems and cell wall development. Low ash and... ... more

Freshwater Flakes, 5.3 oz.

This delicious recipe of fresh, cold water seafood is blended specifically to enhance the levels of Omega 6 fatty acids. Omega 6 fatty acids are extremely valuable to freshwater species for strong immune systems and cell wall development. Low ash and...

Petco.com

$15.29

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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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Freshwater Globe Kit, 3.1 GAL

Freshwater Globe Kit, 3.1 GAL

The Imagitarium Freshwater Globe Kit includes the basics you need to create a beautiful home for your Betta or small tropical fish. An internal filtration system helps to keep water clearer for longer, and LED lighting in the aquarium lid spotlights... ... more

Freshwater Globe Kit, 3.1 GAL

The Imagitarium Freshwater Globe Kit includes the basics you need to create a beautiful home for your Betta or small tropical fish. An internal filtration system helps to keep water clearer for longer, and LED lighting in the aquarium lid spotlights...

Petco.com

$39.99

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Betta Care for Fish, 2 fl. oz., Pack of 3., 2 FZ

Betta Care for Fish, 2 fl. oz., Pack of 3., 2 FZ

Because your betta fish deserves nothing but the best, we present to you the Fluval Betta Care 3 Pack that has everything your little swimmer needs to thrive! With Tap Water Conditioner, Bug Bites Betta Formula, and Biological Betta Bowl Cleaner, this... ... more

Betta Care for Fish, 2 fl. oz., Pack of 3., 2 FZ

Because your betta fish deserves nothing but the best, we present to you the Fluval Betta Care 3 Pack that has everything your little swimmer needs to thrive! With Tap Water Conditioner, Bug Bites Betta Formula, and Biological Betta Bowl Cleaner, this...

Petco.com

$14.99

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Frozen Krill Flat Pack, 8 oz.

Frozen Krill Flat Pack, 8 oz.

Krill are harvested from Antarctic waters and contain extremely high Omega-3's and astaxanthin (a carotenoid responsible for the vibrant colors of tropical fish). Excellent for your large freshwater and marine tropicals. Krill provide essential... ... more

Frozen Krill Flat Pack, 8 oz.

Krill are harvested from Antarctic waters and contain extremely high Omega-3's and astaxanthin (a carotenoid responsible for the vibrant colors of tropical fish). Excellent for your large freshwater and marine tropicals. Krill provide essential...

Petco.com

$19.49

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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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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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BioStyle Replacement Filter Cartridge, Pack of 2, .26 LB

BioStyle Replacement Filter Cartridge, Pack of 2, .26 LB

The BioStyle Multi-Stage Filter Cartridge provides 5-in-1 filtration which ensures clean, healthy, and clear water for your aquarium. Each Multi-Stage Cartridge includes a filter foam, three chemical media mix and filter fleece. These disposable... ... more

BioStyle Replacement Filter Cartridge, Pack of 2, .26 LB

The BioStyle Multi-Stage Filter Cartridge provides 5-in-1 filtration which ensures clean, healthy, and clear water for your aquarium. Each Multi-Stage Cartridge includes a filter foam, three chemical media mix and filter fleece. These disposable...

Petco.com

$11.99

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