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Best Seller
Nitrifying Bacteria Bio-Spira, 3.38 fl. oz., 3.38 FZ

Nitrifying Bacteria Bio-Spira, 3.38 fl. oz., 3.38 FZ

No matter the size of your aquarium, Instant Ocean sea salts and water care products offer the smartest, easiest way to bring the ocean home. Scientifically formulated sea salts are used exclusively by many of the leading large-scale aquariums and... ... more

Nitrifying Bacteria Bio-Spira, 3.38 fl. oz., 3.38 FZ

No matter the size of your aquarium, Instant Ocean sea salts and water care products offer the smartest, easiest way to bring the ocean home. Scientifically formulated sea salts are used exclusively by many of the leading large-scale aquariums and...

Petco.com

$11.89

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AquaSafe Water Conditioner, 3.38 fl. oz., 3.38 FZ

AquaSafe Water Conditioner, 3.38 fl. oz., 3.38 FZ

Our TetraAqua(TM) AquaSafe(R) with BioExtract(TM) quickly makes tap water safe by neutralizing chlorine, chloramines and heavy metals harmful to your fish while enhancing your fish's natural, protective slime coating. Specially formulated with natural... ... more

AquaSafe Water Conditioner, 3.38 fl. oz., 3.38 FZ

Our TetraAqua(TM) AquaSafe(R) with BioExtract(TM) quickly makes tap water safe by neutralizing chlorine, chloramines and heavy metals harmful to your fish while enhancing your fish's natural, protective slime coating. Specially formulated with natural...

Petco.com

$6.99

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Best Seller
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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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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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

$10.87

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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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Aquarium Start Up Pack

Aquarium Start Up Pack

After you've set up your aquarium, you want to make sure it's a safe and happy place for your fish friends. That's where the API Aquarium Start Up Pack comes in! This magical pack makes tap water safe for your fish, so you can enjoy their company... ... more

Aquarium Start Up Pack

After you've set up your aquarium, you want to make sure it's a safe and happy place for your fish friends. That's where the API Aquarium Start Up Pack comes in! This magical pack makes tap water safe for your fish, so you can enjoy their company...

Petco.com

$6.29

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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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