Aquariums

The API® SALTWATER MASTER TEST KIT measures the 4 most important saltwater parameters – pH, ammonia, nitrite, and nitrate – to enable easy testing ...

API® ROOT TABS plant fertilizer promotes lush growth of aquarium plants with ingredients such as iron, potassium, and carbon that help develop stro...

API® TEST TUBES are compatible with any aquarium or pond water test kits and are perfect for testing more water parameters at one time. The pack in...

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

The API® REEF MASTER TEST KIT test 4 key parameters – calcium, carbonate hardness, phosphate, and nitrate – to keep reef inhabitants healthy. Test...

API® QUICK START nitrifying bacteria allows for the instant addition of fish, as it immediately starts the natural aquarium cycle with beneficial ...

API® QUICK START nitrifying bacteria allows for the instant addition of fish, as it immediately starts the natural aquarium cycle with beneficial b...

API® QUICK START nitrifying bacteria allows for the instant addition of fish, as it immediately starts the natural aquarium cycle with beneficial b...

API® PROPER pH 8.2 automatically sets and stabilizes pH at 8.2 in saltwater, brackish, and African cichlid aquariums without the use of phosphates....

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

API® PROPER pH 7.5 automatically sets and stabilizes pH at 7.5, and removes chlorine and detoxifies heavy metals. PROPER pH 7.5 also contains elec...

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

API® PROPER pH 7.0 easily sets and holds pH at 7.0 in tropical community aquariums, additionally removing chlorine and neutralizing chloramines to ...

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

API® POND ACCU-CLEAR water clarifier works to establish and maintain crystal-clear pond water, quickly clearing murkiness and helping your water fi...

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

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

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

Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphate contri...

API® PHOS-ZORB filtration media eliminates cloudy water and dirt caused by phosphates, and helps reduce the maintenance of your aquarium. PHOS-ZORB...

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 alkal...

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 alkal...

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 alkal...

Use the API® pH TEST STRIPS as a quick and accurate way to test pH levels in your water. These test strips measure a wide range of pH, from 6.0 to ...

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

he API® pH TEST & ADJUSTER KIT not only allows you to easily and accurately test the pH level in your freshwater aquarium, but also allows you ...

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 aci...

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 aci...

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 aci...

API® PERFECT START is a unique aquarium starter pack that provides everything you need to kick-start your new aquarium, keeping your fish healthy a...

Nitrite is produced in the aquarium in the forms of fish waste, uneaten food, and by nitrifying bacteria in your aquarium’s natural cycle as it bre...

High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in al...

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

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

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

API® MARINE STRESS ZYME bacterial cleaner contains millions of live bacteria that consume sludge and organic debris, reducing aquarium maintenance ...

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

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

API® MARINE MELAFIX fish remedy is a safe, natural fish remedy which should be used to treat bacterial infections in saltwater fish and corals. MA...

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

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

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

The API® KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water pr...

The API® HIGH RANGE pH TEST KIT measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API HIGH...

API GOLDFISH PROTECT makes tap water safe for goldfish by removing harmful chlorine, chloramine, and ammonia from tap water. It also detoxifies amm...

API® GOLDFISH CARE PACK makes goldfish care quick and easy by combining the superior water conditioning of GOLDFISH PROTECT, which removes harmful ...

API® AQUARIUM SALT is made from evaporated sea salt and is a must-have for your aquarium! AQUARIUM SALT promotes fish health by improving gill func...

API® AQUARIUM SALT is made from evaporated sea salt and is a must-have for your aquarium! AQUARIUM SALT promotes fish health by improving gill func...