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The API® Ammonia Test Kit measures ammonia levels to help prevent fish loss, as ammonia is the primary cause of stress and death in tropical fish. Ammonia is released into...

Pond AQUA ESSENTIAL Water Conditioner is a highly concentrated and versatile water conditioner that makes tap water safe for fish immediately by removing chlorine, chloramine, and reducing the toxicity of...

AQUA ESSENTIAL water conditioner is a highly concentrated water conditioner that acts as a comprehensive solution, making tap water safe for fish immediately by removing chlorine, chloramine, and heavy metal...

The AQUA ESSENTIAL water conditioner is a highly concentrated water conditioner that combines several benefits in one product, making regular water safe for fish immediately by removing chlorine, chloramine, and...

The AQUA ESSENTIAL water conditioner is a highly concentrated and comprehensive water treatment that immediately makes tap water safe for fish by removing chlorine, chloramine, and neutralizing heavy metals commonly...

The API® aquarium starter kit contains two beneficial treatments to make your water safe and habitable for fish before adding them to your aquarium. The aquarium starter kit contains API...

API® BETTA flakes are specially designed for betta fish, featuring a carefully formulated blend to support natural color. This revolutionary formula allows for easy nutrient absorption to maximize benefits. Fish...

API® BETTA food is scientifically formulated to enhance the vibrant colors of your Betta fish and comes in floating pellet form suitable for all Betta fish. This formula contains nutritionally...

API® BETTA water is pre-prepared and ready to use with no additional preparation or waiting time for your fish tank, as it is immediately safe for Betta fish. Fill the...

API® BETTA Water Conditioner is a versatile water treatment that instantly makes tap water safe for Betta fish by removing chlorine, chloramine, heavy metals, and also detoxifying ammonia. API BETTA...

API® BETTAFIX fish medication is an all-natural antibacterial treatment for Betta fish and should be used whenever your Betta shows signs of illness, such as wounds, ulcers, mouth fungus, fin...

API® BIO-CHEM STARS biological media provide a home for the growth of massive colonies of nitrifying bacteria to establish and maintain a healthy aquatic ecosystem. Nitrifying bacteria convert harmful ammonia...

Contains a superior blend of resins and activated carbon that removes aquarium contaminants – including colors, odors, heavy metals, and toxic gases – making the API® BIO-CHEM ZORB filtration media...

API® Bottom Feeder Shrimp Pellets contain shrimp as a nutrient-rich and tasty food, also enhanced with seaweed and squid to help promote healthy growth. API Bottom Feeder Shrimp Pellets are...

API® bottom feeder pellets with squid are nutrient-rich and delicious, also fortified with seaweed to help promote healthy growth. API bottom feeder pellets with squid are specially designed for bottom-feeding...

Calcium is one of the most important elements in reef tanks. Marine invertebrates, such as corals, jellyfish, mollusks, and even some types of calcareous algae, need calcium to grow and...

Carbon deficiency is one of the main causes of poor plant growth in aquariums. The API® CO2 BOOSTER product adds essential liquid carbon to planted tanks to enhance photosynthesis and...

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

Copper – a treatment for many parasitic infections – must be monitored in the aquarium or pond. The copper level can drop significantly, rendering the treatment ineffective, or it can...

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