API® ACCU-CLEAR water clarifier quickly clarifies cloudy water in your aquarium, eliminating haze to make your water crystal clear. API...

API ALGAEFIX algae control effectively controls many types of algae in aquariums and will not harm to your fish or...

API MARINE ALGAEFIX algae control effectively controls these types of saltwater algae: Green algae (Cladophora), “Red Slime” (Oscillatoria & Spirulina...

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

API® BETTAFIX fish remedy is an all-natural, antibacterial fish remedy for Bettas that should be used whenever your Betta exhibits...

API® MARINE QUICK START nitrifying bacteria enables you to start your aquarium immediately, allowing for the instant addition of fish...

API® MARINE STRESS COAT water conditioner instantly removes chlorine, chloramines, and ammonia from tap water to make water safe for...

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

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

API® pH UP pH adjuster raises pH levels in your aquarium to make water more alkaline when levels fall too...

API® PIMAFIX fish remedy is an all-natural, antifungal remedy for fish fungal infections, with a formula derived from the West...

API POND ALGAEFIX algae control effectively controls green water algae blooms, string or hair algae (Cladophora), and blanketweed (Oedogonium) in...

API® POND AMMO LOCK ammonia detoxifier serves as a source of nutrition for good bacteria in your pond’s natural biological...

API® POND CHLORINE & HEAVY METAL NEUTRALIZER instantly makes tap water safe for pond life by neutralizing chlorine, copper, lead,...

API® POND PIMAFIX fish remedy contains an all-natural formula that rapidly treats fungal infections on the body and fins of...