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The API® AMMONIA test kit measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer for tropical fish. Ammonia is released into the aquarium...

It is a highly concentrated, all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine and chloramines and detoxifies heavy metals commonly found in tap water....

It is a highly concentrated, all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine and chloramines and detoxifies heavy metals commonly found in tap water....

It is a highly concentrated, all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine and chloramines and detoxifies heavy metals commonly found in tap water....

The API® AQUARIUM START UP PACK contains two helpful treatments to make your water safe and livable for fish before adding them to your aquarium. The AQUARIUM START UP PACK...

API® BETTA FLAKES are specially formulated for betta fish and are designed to support natural coloration. This advanced formula allows nutrients to be easily absorbed for optimal absorption. Fish use...

Scientifically formulated to enhance the vibrant colors of your betta, API® BETTA FOOD is designed to be a floating pellet for all betta fish. This formula contains nutritionally enhanced protein...

API® BETTA WATER is pre-conditioned water that is ready to use with no additional preparation or waiting time required for your aquarium because it is immediately safe for your betta...

API® BETTA WATER CONDITIONER is a multi-purpose water treatment that instantly makes tap water safe for Bettas by removing chlorine, chloramines and heavy metals, as well as ammonia detoxification. API...

API® BETTAFIX Fish Treatment is an all-natural, antibacterial fish treatment for Bettas and should be used when your Betta fish shows signs of illness, such as wounds, ulcers, thrush, fin...

Biological media provides a habitat for the growth of huge colonies of nitrifying bacteria to create and maintain a healthy aquatic ecosystem. Nitrifying bacteria convert harmful ammonia into nitrate. This...

Containing a superior blend of resins and activated carbon that removes aquarium contaminants – including colors, odors, heavy metals and toxic gases – API® BIO-CHEM ZORB filter media makes your...

API® Bottom Feed Pellets with Shrimp contain shrimp for a nutrient-dense, highly flavorful food, and are also supplemented with seaweed and squid to help promote healthy growth.

API® Bottom Feed Pellets with Shrimp contain shrimp for a nutrient-dense, highly flavorful food, and are also supplemented with seaweed and squid to help promote healthy growth.

Calcium is one of the most important elements in a reef aquarium. Reef invertebrates, such as corals, crustaceans, molluscs, and even some species of encrusted algae, need calcium to grow...

Carbon deficiency is one of the main reasons for poor plant growth in aquariums. API® CO2 BOOSTER adds essential liquid carbon to planted aquariums to fuel photosynthesis and convert light...

Carbon deficiency is one of the main reasons for poor plant growth in aquariums. API® CO2 BOOSTER adds essential liquid carbon to planted aquariums to fuel photosynthesis and convert light...

Copper - a treatment for many parasitic infections - should be monitored in your aquarium or pond. The copper level can fall too low for treatment to be effective, or...

API® TROPICAL FLAKES are specifically formulated for tropical community fish such as Angelfish, Tetras and Barbs, and contain a unique nutritionally optimized protein to ensure nutrients are easily absorbed for...

Specifically designed for tropical fish such as Angelfish, Tetras and Barbs, API® TROPICAL FLAKES contain a unique, nutritionally enhanced protein to ensure nutrients are easily absorbed for maximum absorption. Fish...