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Best Seller
Reef Calcium 8.5 fl oz., 8.5 FZ

Reef Calcium 8.5 fl oz., 8.5 FZ

Reef Calcium is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH. ... more

Reef Calcium 8.5 fl oz., 8.5 FZ

Reef Calcium is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH.

Petco.com

$9.99

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Reef Complete Conditioner, 8.5 fl oz., 8.5 FZ

Reef Complete Conditioner, 8.5 fl oz., 8.5 FZ

Reef Complete is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH ... more

Reef Complete Conditioner, 8.5 fl oz., 8.5 FZ

Reef Complete is a concentrated (160,000 mg/L) optimized blend of ionic calcium designed to restore and maintain calcium to levels found in natural seawater without affecting pH

Petco.com

$9.99

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Best Seller
Sea Trace Elements 8 oz., 8 FZ

Sea Trace Elements 8 oz., 8 FZ

Keep your marine aquarium thriving with Fluval Sea Trace Elements. This 8 oz. bottle is packed with a concentrated blend of 11 key trace elements found in the natural beauty of seawater. ... more

Sea Trace Elements 8 oz., 8 FZ

Keep your marine aquarium thriving with Fluval Sea Trace Elements. This 8 oz. bottle is packed with a concentrated blend of 11 key trace elements found in the natural beauty of seawater.

Petco.com

$5.31

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Sea Magnesium, 8 oz., 8 FZ

Sea Magnesium, 8 oz., 8 FZ

Concentrated, magnesium-boosting compound formulated to elevate magnesium levels effectively, while not affecting the delicate ionic balance in marine water. ... more

Sea Magnesium, 8 oz., 8 FZ

Concentrated, magnesium-boosting compound formulated to elevate magnesium levels effectively, while not affecting the delicate ionic balance in marine water.

Petco.com

$7.99

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Turtle Water Conditioner 8 fl. oz., 8 FZ

Turtle Water Conditioner 8 fl. oz., 8 FZ

With the API Turtle Water Conditioner, your little aquatic friend can enjoy a refreshing dip in the pool without worrying about harmful chemicals lurking in tap water. ... more

Turtle Water Conditioner 8 fl. oz., 8 FZ

With the API Turtle Water Conditioner, your little aquatic friend can enjoy a refreshing dip in the pool without worrying about harmful chemicals lurking in tap water.

Petco.com

$8.68

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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

$7.90

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AquaSafe Plus Aquarium Water Conditioner and Dechlorinator 8.45 fl. oz., 8.45 FZ

AquaSafe Plus Aquarium Water Conditioner and Dechlorinator 8.45 fl. oz., 8.45 FZ

AquaSafe's one-step formula is simple and easy to use and delivers maximum effectiveness. AquaSafe is the fastest-acting, most complete water conditioner available. The formula neutralizes chlorine and heavy metals, removes chloramine and toxic ammonia... ... more

AquaSafe Plus Aquarium Water Conditioner and Dechlorinator 8.45 fl. oz., 8.45 FZ

AquaSafe's one-step formula is simple and easy to use and delivers maximum effectiveness. AquaSafe is the fastest-acting, most complete water conditioner available. The formula neutralizes chlorine and heavy metals, removes chloramine and toxic ammonia...

Petco.com

$9.99

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Quick Start, 8 fl. oz., 8 FZ

Quick Start, 8 fl. oz., 8 FZ

A hoy there, matey! Are you ready to set sail on your aquatic adventure? Don't let toxic ammonia and nitrite spoil your journey! The API Quick Start 4 fl. oz. is here to save the day and make sure your fish have a smooth transition to their new home.... ... more

Quick Start, 8 fl. oz., 8 FZ

A hoy there, matey! Are you ready to set sail on your aquatic adventure? Don't let toxic ammonia and nitrite spoil your journey! The API Quick Start 4 fl. oz. is here to save the day and make sure your fish have a smooth transition to their new home....

Petco.com

$13.58

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Phytoplex 8 fl. oz., 8 FZ

Phytoplex 8 fl. oz., 8 FZ

PhytoPlex is an aqua-cultured blend of correctly sized, naturally occurring phytoplankton that are palatable and highly nutritious to marine invertebrates that feed on phytoplankton. Provides necessary vitamins, proteins, carbohydrates and lipids.... ... more

Phytoplex 8 fl. oz., 8 FZ

PhytoPlex is an aqua-cultured blend of correctly sized, naturally occurring phytoplankton that are palatable and highly nutritious to marine invertebrates that feed on phytoplankton. Provides necessary vitamins, proteins, carbohydrates and lipids....

Petco.com

$14.99

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Ammonia-Free Glass & Acrylic Cleaner 8 fl. oz., 8 FZ

Ammonia-Free Glass & Acrylic Cleaner 8 fl. oz., 8 FZ

The Imagitarium Ammonia-Free Glass & Acrylic Cleaner is a streak- and drip-free formulation that repels dust, fingerprints and water spots in your tank. Your finned friend will be happy as a clam in the clean environment of their habitat. ... more

Ammonia-Free Glass & Acrylic Cleaner 8 fl. oz., 8 FZ

The Imagitarium Ammonia-Free Glass & Acrylic Cleaner is a streak- and drip-free formulation that repels dust, fingerprints and water spots in your tank. Your finned friend will be happy as a clam in the clean environment of their habitat.

Petco.com

$9.99

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Herbtana All Natural Expellant for Ponds, 8 fl. oz., 8 FZ

Herbtana All Natural Expellant for Ponds, 8 fl. oz., 8 FZ

Wards off skin flukes, gill flukes, white spot, Oodinium, Chilodonella and Trichodina just to name a few. ... more

Herbtana All Natural Expellant for Ponds, 8 fl. oz., 8 FZ

Wards off skin flukes, gill flukes, white spot, Oodinium, Chilodonella and Trichodina just to name a few.

Petco.com

$14.99

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Aquatics Betta Water, 33.8 fl. oz., 33.8 FZ

Aquatics Betta Water, 33.8 fl. oz., 33.8 FZ

Fritz Aquatics Ready to Use Betta Water is pre-conditioned and contains no Chlorine, Chloramine, Ammonia, Phosphates or Heavy Metals. Buffered and pH balanced, this high quality aquarium water contains essential minerals and electrolytes that promote... ... more

Aquatics Betta Water, 33.8 fl. oz., 33.8 FZ

Fritz Aquatics Ready to Use Betta Water is pre-conditioned and contains no Chlorine, Chloramine, Ammonia, Phosphates or Heavy Metals. Buffered and pH balanced, this high quality aquarium water contains essential minerals and electrolytes that promote...

Petco.com

$4.49

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Reef Phytoplankton 8.5 fl. oz.

Reef Phytoplankton 8.5 fl. oz.

A concentrated blend of green & brown marine phytoplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, & natural carotenoids necessary for invertebrate diet. ... more

Reef Phytoplankton 8.5 fl. oz.

A concentrated blend of green & brown marine phytoplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, & natural carotenoids necessary for invertebrate diet.

Petco.com

$8.99

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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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Reef Zooplankton, 8.5 fl. oz., 8.5 OZ

Reef Zooplankton, 8.5 fl. oz., 8.5 OZ

A concentrated blend of marine zooplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, & natural carotenoids needed for coral growth. Provides a more bioavailable source of pigmentation. ... more

Reef Zooplankton, 8.5 fl. oz., 8.5 OZ

A concentrated blend of marine zooplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, & natural carotenoids needed for coral growth. Provides a more bioavailable source of pigmentation.

Petco.com

$9.99

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Reef Dip Coral Disinfectant 3.4 fl. oz., 3.4 FZ

Reef Dip Coral Disinfectant 3.4 fl. oz., 3.4 FZ

Protect your corals with Seachem Reef Dip. Reef Dip is a coral disinfectant that uses an elemental iodine complex to keep your corals free of disease. It is safe to use with both stony and soft corals, as well as anemones and polyps. ... more

Reef Dip Coral Disinfectant 3.4 fl. oz., 3.4 FZ

Protect your corals with Seachem Reef Dip. Reef Dip is a coral disinfectant that uses an elemental iodine complex to keep your corals free of disease. It is safe to use with both stony and soft corals, as well as anemones and polyps.

Petco.com

$12.99

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Reef Glue 0.7 fl. oz., .7 FZ

Reef Glue 0.7 fl. oz., .7 FZ

Secure your coral plugs and rockwork with Reef Glue. With a new formula that is 17x thicker and a no-mess cap, there's more control while gluing and less mess in applicaiton. ... more

Reef Glue 0.7 fl. oz., .7 FZ

Secure your coral plugs and rockwork with Reef Glue. With a new formula that is 17x thicker and a no-mess cap, there's more control while gluing and less mess in applicaiton.

Petco.com

$8.05

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API PimaFix, 8 oz., 8 FZ

API PimaFix, 8 oz., 8 FZ

Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water. PimaFix has been... ... more

API PimaFix, 8 oz., 8 FZ

Treats fungal infections and both internal and external bacterial infections. Will not adversely affect the biological filter, alter the pH, or discolor water. Safe for reef aquariums and live plants. For use in fresh or salt water. PimaFix has been...

Petco.com

$9.08

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Sea Iodine, 8 oz., 8 FZ

Sea Iodine, 8 oz., 8 FZ

Fluval Sea Iodine is a concentrated formula made with two naturally-occurring iodine compounds that are perfectly balanced to support the growth and condition of corals and other invertebrates. It is high quality and ultra pure, free of any unwanted... ... more

Sea Iodine, 8 oz., 8 FZ

Fluval Sea Iodine is a concentrated formula made with two naturally-occurring iodine compounds that are perfectly balanced to support the growth and condition of corals and other invertebrates. It is high quality and ultra pure, free of any unwanted...

Petco.com

$7.99

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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

$12.49

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Accu-Clear, 8 oz., 8 FZ

Accu-Clear, 8 oz., 8 FZ

The API Accu-Clear 8 oz. quickly clears up any cloudiness caused by dirt, algae, or bacterial bloom. It's completely safe for all fish and plants and made in the USA. The easy-to-use formula requires no complicated instructions. ... more

Accu-Clear, 8 oz., 8 FZ

The API Accu-Clear 8 oz. quickly clears up any cloudiness caused by dirt, algae, or bacterial bloom. It's completely safe for all fish and plants and made in the USA. The easy-to-use formula requires no complicated instructions.

Petco.com

$9.48

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Water Clarifier Clears Cloudy Aquarium Water, 8.45 oz., 8.45 FZ

Water Clarifier Clears Cloudy Aquarium Water, 8.45 oz., 8.45 FZ

TetraAqua Water ClarifierTetraAqua Water Clarifier quickly clears cloudy aquarium water caused by overfeeding, gravel dust and other minute suspended particles. This phosphate free formula will not affect pH levels and is safe for fish and plants. For... ... more

Water Clarifier Clears Cloudy Aquarium Water, 8.45 oz., 8.45 FZ

TetraAqua Water ClarifierTetraAqua Water Clarifier quickly clears cloudy aquarium water caused by overfeeding, gravel dust and other minute suspended particles. This phosphate free formula will not affect pH levels and is safe for fish and plants. For...

Petco.com

$9.99

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Reef Plus Conditioner, 8.5 FZ

Reef Plus Conditioner, 8.5 FZ

Reef Plus is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus is formulated to provide nutrients available... ... more

Reef Plus Conditioner, 8.5 FZ

Reef Plus is a full spectrum reef supplement containing trace elements, vitamins, and amino acids demonstrated to have a positive impact on the growth of corals and other desirable reef creatures. Reef Plus is formulated to provide nutrients available...

Petco.com

$7.24

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Purple Coral Crete, 2 fl. oz., 2 FZ

Purple Coral Crete, 2 fl. oz., 2 FZ

Fuse together rockwork to create stable foundations in reef aquaria with CoralCrete. CoralCrete is a two-part epoxy putty that can quickly and efficiently secure coral or rock. ... more

Purple Coral Crete, 2 fl. oz., 2 FZ

Fuse together rockwork to create stable foundations in reef aquaria with CoralCrete. CoralCrete is a two-part epoxy putty that can quickly and efficiently secure coral or rock.

Petco.com

$15.99

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Reef Fusion 1 16.9 fl. oz., 16.9 oz.

Reef Fusion 1 16.9 fl. oz., 16.9 oz.

Reef Fusion 1 is part of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1 provides calcium. ... more

Reef Fusion 1 16.9 fl. oz., 16.9 oz.

Reef Fusion 1 is part of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1 provides calcium.

Petco.com

$8.50

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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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Ceramic CO2 Diffuser, 3.1 fl. oz., 3.1 FZ

Ceramic CO2 Diffuser, 3.1 fl. oz., 3.1 FZ

If you're looking for a way to keep your aquarium thriving, the Fluval Ceramic CO2 Diffuser 3.1 fl. oz. is the perfect solution! This genuine Fluval replacement part works like a charm, dissolving CO2 into the water for happy and healthy aquatic life. ... more

Ceramic CO2 Diffuser, 3.1 fl. oz., 3.1 FZ

If you're looking for a way to keep your aquarium thriving, the Fluval Ceramic CO2 Diffuser 3.1 fl. oz. is the perfect solution! This genuine Fluval replacement part works like a charm, dissolving CO2 into the water for happy and healthy aquatic life.

Petco.com

$9.99

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Almond Leaf Water 33.8 fl. oz., 2.2 LB

Almond Leaf Water 33.8 fl. oz., 2.2 LB

Made especially for Bettas, the Imagitarium Almond Leaf Water features tannins extracted from Indian almond leaves help create a healthier environment for your favorite fish. ... more

Almond Leaf Water 33.8 fl. oz., 2.2 LB

Made especially for Bettas, the Imagitarium Almond Leaf Water features tannins extracted from Indian almond leaves help create a healthier environment for your favorite fish.

Petco.com

$6.99

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Freshwater Aquarium Plant Food 8.7 fl. oz., 1.9 IN

Freshwater Aquarium Plant Food 8.7 fl. oz., 1.9 IN

Packed with essential macro and micro nutrients, this plant food is like a healthy green smoothie for your aquatic flora. And if that's not enough to entice you, it also contains kelp extract, a natural source of cytokinin that promotes strong root... ... more

Freshwater Aquarium Plant Food 8.7 fl. oz., 1.9 IN

Packed with essential macro and micro nutrients, this plant food is like a healthy green smoothie for your aquatic flora. And if that's not enough to entice you, it also contains kelp extract, a natural source of cytokinin that promotes strong root...

Petco.com

$7.89

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SafeStart Plus Water Treatment, 8.45 fl. oz.

SafeStart Plus Water Treatment, 8.45 fl. oz.

Tetra Safe Start Plus accelerates the establishment of the bio-filter in newly set-up freshwater aquariums. The live bacteria start working immediately to provide a safe and healthy environment for your fish without the long wait. Safe Start Plus can... ... more

SafeStart Plus Water Treatment, 8.45 fl. oz.

Tetra Safe Start Plus accelerates the establishment of the bio-filter in newly set-up freshwater aquariums. The live bacteria start working immediately to provide a safe and healthy environment for your fish without the long wait. Safe Start Plus can...

Petco.com

$16.99

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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

$10.99

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