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Best Seller
Magnesium-Calcium Combi-Test for Saltwater Aquariums, 8 OZ

Magnesium-Calcium Combi-Test for Saltwater Aquariums, 8 OZ

8 oz., Approximately 30 tests, Ideal for periodic check of magnesium & calcium concentrations. Helps determine amounts needed to be added to restore to natural seawater levels. ... more

Magnesium-Calcium Combi-Test for Saltwater Aquariums, 8 OZ

8 oz., Approximately 30 tests, Ideal for periodic check of magnesium & calcium concentrations. Helps determine amounts needed to be added to restore to natural seawater levels.

Petco.com

$40.00

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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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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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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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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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Sea Calcium, 8 oz.

Sea Calcium, 8 oz.

If you want to give your marine pets the gift of strong bones and a healthy skeletal structure, then Fluval Sea Calcium is just what you need! This 8 oz. bottle packs a punch with its concentrated form of calcium that's easily absorbed by corals and... ... more

Sea Calcium, 8 oz.

If you want to give your marine pets the gift of strong bones and a healthy skeletal structure, then Fluval Sea Calcium is just what you need! This 8 oz. bottle packs a punch with its concentrated form of calcium that's easily absorbed by corals and...

Petco.com

$6.51

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Nano Reef Part A/B, 8 fl. oz., 8 FZ

Nano Reef Part A/B, 8 fl. oz., 8 FZ

Nano Reef Part A/B is an ionically balanced system that helps maintain the critical calcium, magnesium and alkalinity dynamic, as well as providing essential major, minor and trace minerals in the correct concentrations. Helps increase alkalinity (KH)... ... more

Nano Reef Part A/B, 8 fl. oz., 8 FZ

Nano Reef Part A/B is an ionically balanced system that helps maintain the critical calcium, magnesium and alkalinity dynamic, as well as providing essential major, minor and trace minerals in the correct concentrations. Helps increase alkalinity (KH)...

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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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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Calcium Test Kit, 4.5 OZ

Calcium Test Kit, 4.5 OZ

Testing your aquarium's water is fast and simple with Imagitarium Calcium Test Kit. This easy-to-use kit includes test solutions, instructions, test vial, and a color-coded chart to identify changes in calcium levels from 20 to 520 ppm. Calcium in reef... ... more

Calcium Test Kit, 4.5 OZ

Testing your aquarium's water is fast and simple with Imagitarium Calcium Test Kit. This easy-to-use kit includes test solutions, instructions, test vial, and a color-coded chart to identify changes in calcium levels from 20 to 520 ppm. Calcium in reef...

Petco.com

$11.99

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San Francisco Bay Frozen Reef Plankton, 3.5 oz.

San Francisco Bay Frozen Reef Plankton, 3.5 oz.

Frozen Reef Plankton- Scientific name: Calanus finmarchicusExcellent for Reef Tanks. Reef Plankton feeds fish, corals, and invertebrates simultaneously in your reef aquarium. They stimulate appetite and are eagerly eaten by finicky marine fish, such as... ... more

San Francisco Bay Frozen Reef Plankton, 3.5 oz.

Frozen Reef Plankton- Scientific name: Calanus finmarchicusExcellent for Reef Tanks. Reef Plankton feeds fish, corals, and invertebrates simultaneously in your reef aquarium. They stimulate appetite and are eagerly eaten by finicky marine fish, such as...

Petco.com

$9.99

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Black Aqamai Lrm-Led Reef Wifi Light, 100 Watts, 5.682 LB

Black Aqamai Lrm-Led Reef Wifi Light, 100 Watts, 5.682 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

Black Aqamai Lrm-Led Reef Wifi Light, 100 Watts, 5.682 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$482.99

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Black Aqamai Lrs-Led Reef Wifi Light, 50 Watts, 3.1 LB

Black Aqamai Lrs-Led Reef Wifi Light, 50 Watts, 3.1 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

Black Aqamai Lrs-Led Reef Wifi Light, 50 Watts, 3.1 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$383.99

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White/Platinum Aqamai Lrm-Led Reef Wifi Light, 100 Watts, 5.682 LB

White/Platinum Aqamai Lrm-Led Reef Wifi Light, 100 Watts, 5.682 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

White/Platinum Aqamai Lrm-Led Reef Wifi Light, 100 Watts, 5.682 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$482.99

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Coral Sun T-8 Bulb, 17 Watts, 17 W / 24 IN

Coral Sun T-8 Bulb, 17 Watts, 17 W / 24 IN

Long lasting bulb is ideal for all marine aquariums, reef tanks, and African cichlids. Simulates short wavelength blue light which penetrates to reef depth in nature. ... more

Coral Sun T-8 Bulb, 17 Watts, 17 W / 24 IN

Long lasting bulb is ideal for all marine aquariums, reef tanks, and African cichlids. Simulates short wavelength blue light which penetrates to reef depth in nature.

Petco.com

$22.99

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Aragonite Aquarium Sand, 10 lbs., Tan

Aragonite Aquarium Sand, 10 lbs., Tan

Ideal aquarium substrate for marine, reef or african cichlid aquariums. Helps maintain proper pH of 8.2 wthout the use of chemicals. Has incredible surface area, up to 100,000 sq inches per pound. ... more

Aragonite Aquarium Sand, 10 lbs., Tan

Ideal aquarium substrate for marine, reef or african cichlid aquariums. Helps maintain proper pH of 8.2 wthout the use of chemicals. Has incredible surface area, up to 100,000 sq inches per pound.

Petco.com

$10.69

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Black Aqamai Lfm-Led Freshwater Wifi Light, 100 Watts, 5.24 LB

Black Aqamai Lfm-Led Freshwater Wifi Light, 100 Watts, 5.24 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

Black Aqamai Lfm-Led Freshwater Wifi Light, 100 Watts, 5.24 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$441.46

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Black Aqamai Lfs-Led Freshwater Wifi Light, 50 Watts, 3.4 LB

Black Aqamai Lfs-Led Freshwater Wifi Light, 50 Watts, 3.4 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

Black Aqamai Lfs-Led Freshwater Wifi Light, 50 Watts, 3.4 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$377.99

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White/Platinum Aqamai Lfm-Led Freshwater Wifi Light, 100 Watts, 5.14 LB

White/Platinum Aqamai Lfm-Led Freshwater Wifi Light, 100 Watts, 5.14 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

White/Platinum Aqamai Lfm-Led Freshwater Wifi Light, 100 Watts, 5.14 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$453.99

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White/Platinum Aqamai Lfs-Led Freshwater Wifi Light, 50 Watts, 3.4 LB

White/Platinum Aqamai Lfs-Led Freshwater Wifi Light, 50 Watts, 3.4 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,... ... more

White/Platinum Aqamai Lfs-Led Freshwater Wifi Light, 50 Watts, 3.4 LB

The Aqamai Reef Wi-Fi Led lamps for marine aquariums can be comfortably controlled from a smartphone or tablet with the Hydor App, available for Android and iOS. The 8 LED lights are optimized to favor the growth of corals. Aquamai lights are compact,...

Petco.com

$377.99

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