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Best Seller
Nite-Out II Nitrifying Aquarium Bacteria, 8-ounce

Nite-Out II Nitrifying Aquarium Bacteria, 8-ounce

Microbe-Lift Nite-Out II Nitrifying Aquarium BacteriaDesigned specifically for aquarium environments that contain marine life. Its highly-specialized microbial consortium of nitrifying cultures are specially formulated to eliminate ammonia via a... ... more

Nite-Out II Nitrifying Aquarium Bacteria, 8-ounce

Microbe-Lift Nite-Out II Nitrifying Aquarium BacteriaDesigned specifically for aquarium environments that contain marine life. Its highly-specialized microbial consortium of nitrifying cultures are specially formulated to eliminate ammonia via a...

Petco.com

$7.69

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API Stress Coat Aquarium Water Conditioner, 16 oz., 16 FZ

API Stress Coat Aquarium Water Conditioner, 16 oz., 16 FZ

The healing power of Aloe Vera: Replaces slime coat Reduces electrolyte loss Promotes tissue regeneration Removes chlorine and neutralizes chloramines When to use: When setting up an aquarium, adding or handling fish, changing water or when fish are... ... more

API Stress Coat Aquarium Water Conditioner, 16 oz., 16 FZ

The healing power of Aloe Vera: Replaces slime coat Reduces electrolyte loss Promotes tissue regeneration Removes chlorine and neutralizes chloramines When to use: When setting up an aquarium, adding or handling fish, changing water or when fish are...

Petco.com

$9.45

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Best Seller
API Tap Water Conditioner, 16 fl. oz., 16 FZ

API Tap Water Conditioner, 16 fl. oz., 16 FZ

BenefitsWorks instantly to detoxify heavy metals, remove chlorine and break the chloramines bond. When to UseUse whenever setting up an aquarium, changing water or adding water to the aquarium. Heavy metals such as copper, lead and zinc can be found in... ... more

API Tap Water Conditioner, 16 fl. oz., 16 FZ

BenefitsWorks instantly to detoxify heavy metals, remove chlorine and break the chloramines bond. When to UseUse whenever setting up an aquarium, changing water or adding water to the aquarium. Heavy metals such as copper, lead and zinc can be found in...

Petco.com

$8.48

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biOrb 16 Gallon Heater Aquarium Accessory Glass (cost efficient & easy to clean) in Black | 10.24 H x 3.74 W x 2.95 D in | Wayfair 45999

biOrb 16 Gallon Heater Aquarium Accessory Glass (cost efficient & easy to clean) in Black | 10.24 H x 3.74 W x 2.95 D in | Wayfair 45999

An aquarium is a beautiful wonder, and it is important to keep its inhabitants happy and healthy. Some fish require aquarium water to be a specific temperature. To do this the water needs to be warmed by an aquarium heater. The biOrb Heater Pack... ... more

biOrb 16 Gallon Heater Aquarium Accessory Glass (cost efficient & easy to clean) in Black | 10.24 H x 3.74 W x 2.95 D in | Wayfair 45999

An aquarium is a beautiful wonder, and it is important to keep its inhabitants happy and healthy. Some fish require aquarium water to be a specific temperature. To do this the water needs to be warmed by an aquarium heater. The biOrb Heater Pack...

Wayfair

$49.98

FREE shipping

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Tucker Murphy Pet™ Phyllida Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Black | 1.19 H x 1.19 W x 1.19 D in | Wayfair

Tucker Murphy Pet™ Phyllida Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Black | 1.19 H x 1.19 W x 1.19 D in | Wayfair

40pcs 1 3/16" Reusable Aquarium Bio Balls are perfect for regulating and purifying your aquatic environments, ensuring that the water in your aquarium, water tank, pool, or pond is clean, increasing dissolved oxygen levels and filtering out biological... ... more

Tucker Murphy Pet™ Phyllida Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Black | 1.19 H x 1.19 W x 1.19 D in | Wayfair

40pcs 1 3/16" Reusable Aquarium Bio Balls are perfect for regulating and purifying your aquatic environments, ensuring that the water in your aquarium, water tank, pool, or pond is clean, increasing dissolved oxygen levels and filtering out biological...

Wayfair

$22.99

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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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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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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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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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Pond and Aquarium Cleaner & Sludge Remover, 16 fl. oz., 16 FZ

Pond and Aquarium Cleaner & Sludge Remover, 16 fl. oz., 16 FZ

Pond Cleaner and Sludge Remover Makes Water Crystal Clear. Keeps Water Crystal Clean. Contain Unique Beneficial Bacteria. Eliminates Ammonia and Nitrite. Clear and Natural No Artificial Dyes added. Reduces Build-Up of Wastes. Promotes Plant Growth.... ... more

Pond and Aquarium Cleaner & Sludge Remover, 16 fl. oz., 16 FZ

Pond Cleaner and Sludge Remover Makes Water Crystal Clear. Keeps Water Crystal Clean. Contain Unique Beneficial Bacteria. Eliminates Ammonia and Nitrite. Clear and Natural No Artificial Dyes added. Reduces Build-Up of Wastes. Promotes Plant Growth....

Petco.com

$14.99

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Aquarium Diamond Accent Gravel Multicolored Gems, 2.8 oz., 3 oz., Multi-Color

Aquarium Diamond Accent Gravel Multicolored Gems, 2.8 oz., 3 oz., Multi-Color

These brightly colored gravels are designed to help create an underwater paradise for your fluorescent fish and stand out beautifully under blue LED lights. GloFish Aquarium Accent Gravel helps you set the stage for a unique aquatic experience. The... ... more

Aquarium Diamond Accent Gravel Multicolored Gems, 2.8 oz., 3 oz., Multi-Color

These brightly colored gravels are designed to help create an underwater paradise for your fluorescent fish and stand out beautifully under blue LED lights. GloFish Aquarium Accent Gravel helps you set the stage for a unique aquatic experience. The...

Petco.com

$5.20

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Polishing Rite-Size T, Fit C-Series and Magniflow 360 and 400 Canister Filter Pads for Aquariums, Count of 2, 2.4 OZ

Polishing Rite-Size T, Fit C-Series and Magniflow 360 and 400 Canister Filter Pads for Aquariums, Count of 2, 2.4 OZ

Our Marineland Polishing Filter Pads screen out fine particulate dirt and debris for increased water clarity. For use with Marineland C-Series Canister Filter C-360. For best results, replace filter pads every three weeks. Contains two replacement pads.. ... more

Polishing Rite-Size T, Fit C-Series and Magniflow 360 and 400 Canister Filter Pads for Aquariums, Count of 2, 2.4 OZ

Our Marineland Polishing Filter Pads screen out fine particulate dirt and debris for increased water clarity. For use with Marineland C-Series Canister Filter C-360. For best results, replace filter pads every three weeks. Contains two replacement pads..

Petco.com

$5.94

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AquaSafe Water Conditioner, 16.9 fl oz., 16.9 FZ

AquaSafe Water Conditioner, 16.9 fl oz., 16.9 FZ

Tetra Aqua Safe removes chlorine to make tap water safe for fish in your aquarium. Use it monthly to condition water and protect fish - works instantly. The powerful slime reduces stress. Treat water when setting up a new aquarium and with monthly... ... more

AquaSafe Water Conditioner, 16.9 fl oz., 16.9 FZ

Tetra Aqua Safe removes chlorine to make tap water safe for fish in your aquarium. Use it monthly to condition water and protect fish - works instantly. The powerful slime reduces stress. Treat water when setting up a new aquarium and with monthly...

Petco.com

$10.49

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Live Nitrifying Bacteria for Ponds, Aquariums and Fountains, 16 oz.

Live Nitrifying Bacteria for Ponds, Aquariums and Fountains, 16 oz.

Lifegard Aquatics unique patented Live Nitrifying Bacteria allows Immediate Addition of Fish by eliminating the shock created by New Tank Syndrome for New Fish in a Pond, Aquariums, Water Treatment Systems -Available in 16oz to 120oz bottles. ... more

Live Nitrifying Bacteria for Ponds, Aquariums and Fountains, 16 oz.

Lifegard Aquatics unique patented Live Nitrifying Bacteria allows Immediate Addition of Fish by eliminating the shock created by New Tank Syndrome for New Fish in a Pond, Aquariums, Water Treatment Systems -Available in 16oz to 120oz bottles.

Petco.com

$13.30

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Foam for Aquariums, Rite-Size S, Fits C-Series and Magniflow 160, 180, 220 and 250 Canister Filters, Count of 2, 3.7 OZ

Foam for Aquariums, Rite-Size S, Fits C-Series and Magniflow 160, 180, 220 and 250 Canister Filters, Count of 2, 3.7 OZ

Our Marineland Polishing Filter Pads screen out fine particulate dirt and debris for increased water clarity. For use with Marineland C-Series Canister Filters C-160 and C-220. For best results, replace filter pads every three weeks. Contains two... ... more

Foam for Aquariums, Rite-Size S, Fits C-Series and Magniflow 160, 180, 220 and 250 Canister Filters, Count of 2, 3.7 OZ

Our Marineland Polishing Filter Pads screen out fine particulate dirt and debris for increased water clarity. For use with Marineland C-Series Canister Filters C-160 and C-220. For best results, replace filter pads every three weeks. Contains two...

Petco.com

$4.24

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Versa Top 16" X 8" Hinged Glass Aquarium Top, Standard, Transparent

Versa Top 16" X 8" Hinged Glass Aquarium Top, Standard, Transparent

This hinged glass aquarium top is perfect for both tropical and saltwater setups, and it even includes a clear vinyl back strip that can add up to 2 inches to the total width. Plus, the back strip is easily customizable so you can cut out openings for... ... more

Versa Top 16" X 8" Hinged Glass Aquarium Top, Standard, Transparent

This hinged glass aquarium top is perfect for both tropical and saltwater setups, and it even includes a clear vinyl back strip that can add up to 2 inches to the total width. Plus, the back strip is easily customizable so you can cut out openings for...

Petco.com

$19.99

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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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API Water Softener Pillow, Small, 2 OZ

API Water Softener Pillow, Small, 2 OZ

Water Softener Pillow protects tropical fish form hard water by removing Calcium, Magnesium and heavy metals. Our pillow helps stabilize pH while eliminating white crusty deposits from your tank. In addition, our pillow may be recharged and re-used up... ... more

API Water Softener Pillow, Small, 2 OZ

Water Softener Pillow protects tropical fish form hard water by removing Calcium, Magnesium and heavy metals. Our pillow helps stabilize pH while eliminating white crusty deposits from your tank. In addition, our pillow may be recharged and re-used up...

Petco.com

$7.58

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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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PondCare AlgaeFix, 16 fl. oz., 16 FZ

PondCare AlgaeFix, 16 fl. oz., 16 FZ

Purpose and Benefits: AlgaeFix is a liquid algae-control product for use in ornamental fishponds, water gardens, fountains, and freshwater aquariums. AlgaeFix is approved for use in ponds and aquariums containing live plants and fish. AlgaeFix controls... ... more

PondCare AlgaeFix, 16 fl. oz., 16 FZ

Purpose and Benefits: AlgaeFix is a liquid algae-control product for use in ornamental fishponds, water gardens, fountains, and freshwater aquariums. AlgaeFix is approved for use in ponds and aquariums containing live plants and fish. AlgaeFix controls...

Petco.com

$13.94

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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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Reef Fusion 2, 16.9 fl. oz., 16.9 oz.

Reef Fusion 2, 16.9 fl. oz., 16.9 oz.

Reef Fusion 2 is part of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 2 provides alkalinity. ... more

Reef Fusion 2, 16.9 fl. oz., 16.9 oz.

Reef Fusion 2 is part of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 2 provides alkalinity.

Petco.com

$8.50

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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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Water Balance Creates Ideal Water Chemistry, 4 fl. oz., 4 FZ

Water Balance Creates Ideal Water Chemistry, 4 fl. oz., 4 FZ

GloFish Water Balance is a water treatment that takes the guesswork out of aquarium maintenance. When added to your aquarium monthly, Glofish Water Balance will provide ideal conditions to support maximum color and health in GloFish fluorescent fish.... ... more

Water Balance Creates Ideal Water Chemistry, 4 fl. oz., 4 FZ

GloFish Water Balance is a water treatment that takes the guesswork out of aquarium maintenance. When added to your aquarium monthly, Glofish Water Balance will provide ideal conditions to support maximum color and health in GloFish fluorescent fish....

Petco.com

$4.24

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Algaefix, 16 fl. oz., 16 FZ

Algaefix, 16 fl. oz., 16 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, 16 fl. oz., 16 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

$15.30

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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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Xtreme, 4oz, 4 FZ

Xtreme, 4oz, 4 FZ

a Full-function, buffered, water conditioner for Ponds and Aquariums. Salt & Fresh Water. Reef safe. ... more

Xtreme, 4oz, 4 FZ

a Full-function, buffered, water conditioner for Ponds and Aquariums. Salt & Fresh Water. Reef safe.

Petco.com

$7.99

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Fresh/Salt Calcium Test Kit, 3.5" L X 5.5" W X 2" H, .16 LB

Fresh/Salt Calcium Test Kit, 3.5" L X 5.5" W X 2" H, .16 LB

This is the ultimate tool to help you keep your fish and plants healthy and happy! With this kit, you can accurately measure water parameters and make sure your aquarium is always in tip-top shape. ... more

Fresh/Salt Calcium Test Kit, 3.5" L X 5.5" W X 2" H, .16 LB

This is the ultimate tool to help you keep your fish and plants healthy and happy! With this kit, you can accurately measure water parameters and make sure your aquarium is always in tip-top shape.

Petco.com

$11.19

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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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Shrimp Essential Minerals, 4 fl. oz., 4 FZ

Shrimp Essential Minerals, 4 fl. oz., 4 FZ

Imagitarium Shrimp Essential Minerals are ideal for Invertebrate aquariums. They provide the capability to increase GH and KH to optimal levels so invertebrates can thrive and succesfully molt. Check out this great solution for use with RO/RODI water. ... more

Shrimp Essential Minerals, 4 fl. oz., 4 FZ

Imagitarium Shrimp Essential Minerals are ideal for Invertebrate aquariums. They provide the capability to increase GH and KH to optimal levels so invertebrates can thrive and succesfully molt. Check out this great solution for use with RO/RODI water.

Petco.com

$7.99

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