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API® Tropical Flakes are specially designed for tropical community fish such as angelfish, tetras, and barbs, and contain a uniquely enhanced nutritional protein to ensure easy nutrient absorption for maximum...

The FRESHWATER MASTER TEST KIT from API® measures four important levels in freshwater aquariums quickly and accurately, including pH, high range pH, ammonia, nitrite, and nitrate. With scientific accuracy for...

API® Fish Tank Salt is made from evaporated sea salt and is considered a staple product for fish tanks! Fish tank salt enhances fish health by improving gill function, making...

API® Aquarium Salt is made from evaporated sea salt and is essential for your fish! Aquarium Salt promotes fish health by improving gill function, making it easier for fish to...

API Aquarium Salt is made from evaporated sea salt and is essential for your aquarium! Aquarium salt enhances fish health by improving gill function, making it easier for fish to...

When raising fish and plants in freshwater, the general hardness (GH) and carbonate hardness (KH) of the aquarium water should match their natural habitat. The API® GH & KH Test...

The API® Goldfish Care Kit makes caring for goldfish quick and easy by combining the superior water treatment of GOLDFISH PROTECT, which removes harmful chemicals from tap water, and the...

API® Food for goldfish is designed for all types of goldfish and contains a unique protein nutritionally enhanced to ensure easy absorption of nutrients for maximum benefit. Goldfish utilize the...

API® Goldfish Food pellets are designed for all types of goldfish and contain a unique protein enhanced nutritionally to ensure easy absorption of nutrients for maximum benefit. Goldfish utilize the...

The API GOLDFISH PROTECT product ensures that tap water is safe for goldfish by removing harmful chlorine, chloramine, and ammonia from tap water. It also detoxifies ammonia released by goldfish....

The API® HIGH RANGE pH Test Kit measures pH changes in marine tanks, tanks containing African cichlid fish, and very alkaline tap water. The API HIGH RANGE pH Test Kit...

API® KH Test Kit for testing freshwater or saltwater aquariums to measure carbonate hardness (KH), helping monitor water quality and prevent invisible problems that may harm fish and plants. Carbonate...

API® CICHLID LARGE PELLETS food contains squid and menhaden fish to provide essential amino acids that aid in the optimal growth of your fish, along with a nutrient-rich blend of...

API® LEAF ZONE plant fertilizer contains iron and potassium to leave colorful leaves and a vibrant aquatic garden. The product is formulated to be quickly absorbed through the plant leaves,...

API® LEAF ZONE plant fertilizer contains iron and potassium for colorful leaves and a vibrant planted aquarium. The product is formulated for rapid absorption through plant leaves and promotes aquarium...

API FUNGUS CURE treatment is effective in treating fungi (Saprolegnia spp. and Achlya spp.), mouth fungus (cotton mouth disease), and fin and tail rot infections. It quickly controls infectious fungal...

API® SUPER ICK CURE treatment for fish treats "Ich" disease, or white spot disease, in fish, as well as other infectious parasitic diseases. The Ich parasite has a multi-stage life...

API® SUPER ICK CURE fish treatment cures "Ich" or white spot disease in fish, as well as other highly contagious parasitic diseases. The Ich parasite has a multi-stage life cycle...

API® MARINE MELAFIX fish treatment is a safe and natural treatment to be used for bacterial infections in saltwater and reef fish. MARINE MELAFIX fish treatment contains Melaleuca (tea tree)...

API® MARINE QUICK START bacteria enable you to start your aquarium immediately, allowing you to add fish directly as the natural tank cycle begins. API MARINE QUICK START bacteria reduce...