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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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Combo Alert Pack, 1 Year

Combo Alert Pack, 1 Year

Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are... ... more

Combo Alert Pack, 1 Year

Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are...

Petco.com

$15.43

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Best Seller
Correct Ph 7.0 Tablets For Aquarium Water, 8 Count, 1.38 OZ

Correct Ph 7.0 Tablets For Aquarium Water, 8 Count, 1.38 OZ

Tetra Correct pH Tablets maintain the recommended pH levels in your aquarium to help reduce stress due to harmful fluctuations. Use Tetra Easy Strips aquarium test strips to determine the pH level of your water and treat as necessary. Add one Correct... ... more

Correct Ph 7.0 Tablets For Aquarium Water, 8 Count, 1.38 OZ

Tetra Correct pH Tablets maintain the recommended pH levels in your aquarium to help reduce stress due to harmful fluctuations. Use Tetra Easy Strips aquarium test strips to determine the pH level of your water and treat as necessary. Add one Correct...

Petco.com

$3.49

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Purigen for Freshwater & Saltwater, Treats 100 Gallons, 1.7 oz.

Purigen for Freshwater & Saltwater, Treats 100 Gallons, 1.7 oz.

Seachem Purigen for Freshwater & Saltwater, Treats 100 Gallons, 1.7 oz. ... more

Purigen for Freshwater & Saltwater, Treats 100 Gallons, 1.7 oz.

Seachem Purigen for Freshwater & Saltwater, Treats 100 Gallons, 1.7 oz.

Petco.com

$14.99

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Ammonia Alert Accessory, 9 GM

Ammonia Alert Accessory, 9 GM

Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are... ... more

Ammonia Alert Accessory, 9 GM

Ammonia Alert is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are...

Petco.com

$14.99

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Glass pH Checker Aquarium Accessory

Glass pH Checker Aquarium Accessory

Constantly monitor your pH in freshwater aquariums with the Seachem Glass pH Checker. The indicator solution constantly monitors pH by changing color in response to changes in CO2 concentration. ... more

Glass pH Checker Aquarium Accessory

Constantly monitor your pH in freshwater aquariums with the Seachem Glass pH Checker. The indicator solution constantly monitors pH by changing color in response to changes in CO2 concentration.

Petco.com

$10.49

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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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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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Rings in Sintered Quartz BIO-RINGS for Organic Substrate, Fresh and Marine Water, 1.208 LB, White

Rings in Sintered Quartz BIO-RINGS for Organic Substrate, Fresh and Marine Water, 1.208 LB, White

Macroporous structure sintered quartz rings for marine and freshwater aquariums, ideal as a biological substrate to promote the development of beneficial bacteria without altering the pH of the aquarium. They do not release harmful substances for the... ... more

Rings in Sintered Quartz BIO-RINGS for Organic Substrate, Fresh and Marine Water, 1.208 LB, White

Macroporous structure sintered quartz rings for marine and freshwater aquariums, ideal as a biological substrate to promote the development of beneficial bacteria without altering the pH of the aquarium. They do not release harmful substances for the...

Petco.com

$7.99

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