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API® GENERAL CURE fish remedy treats a wide variety of parasitic diseases including velvet, hole-in-the-head disease (Hexamita spp. & Sp...

API® GENERAL CURE fish remedy treats a wide variety of parasitic diseases including velvet, hole-in-the-head disease (Hexamita spp. & Spiron...

Formulated with superior plant protein sources for digestibility and growth, a carrot and marigold blend for vibrant coloration, and wheat sources ...

Formulated with superior plant protein sources for digestibility and growth, a carrot and marigold blend for vibrant coloration, and wheat sources ...

API Goldfish Pellets is designed for all types of Goldfish, and contains a unique, nutritionally-enhanced protein to ensure easy uptake of nutrient...

API Goldfish Pellets is designed for all types of Goldfish, and contains a unique, nutritionally-enhanced protein to ensure easy uptake of nutrient...

Together, Ammo Lock and Stress Zyme assure good water quality, an efficient biological filter, healthy fish and a clean aquarium. Use when setti...

Use to measure pH changes in marine aquariums, aquariums with African chchlids, and very alkaline tap water. Reads the pH of water within the...

API® LEAF ZONE plant fertilizer contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapi...

API® LEAF ZONE plant fertilizer contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapi...

API® SUPER ICK CURE fish remedy treats “Ich,” or white spot disease, in fish, along with other highly contagious parasitic diseases. The Ich pa...

API® MELAFIX fish remedy is an all-natural antibacterial treatment that works to treat infections in fish. Common bacterial infections are o...

API® MELAFIX fish remedy is an all-natural antibacterial treatment that works to treat infections in fish. Common bacterial infections are open ...

API® MELAFIX fish remedy is an all-natural antibacterial treatment that works to treat infections in fish. Common bacterial infections are o...

Composed of natural and synthetic ion-exchange resins in a convenient pouch. Selectively removes ammonia, nitrite and nitrate from freshwater aquar...

Effective for both fresh & saltwater aquariums. High levels of nitrate are a food source for unwanted algae & indicate poor water qua...

Tests for nitrite in freshwater & saltwater aquariums. Nitrite, toxic to fish, is produced by nitrifying bacteria in the biological filte...

API® pH DOWN pH adjuster lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure of ...

API® pH DOWN pH adjuster lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure...

API® pH DOWN pH adjuster lowers pH to make freshwater aquariums more acidic for fish and plants when levels rise too high. pH is the measure...

Enables user to adjust pH levels as required & includes 1.25 oz bottles of pH Up, pH Down, and pH Indicator Solution. Tests the pH of wat...

The API® pH TEST KIT monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful eff...

API® pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic or al...

API® pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic o...