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The fastest way to test aquarium water quality. Fast easy and accurate Tests ph, nitrate, nitrite, kh, gh. Highly precise color charts for accurat...

A water clarifier that quickly clears cloudy aquarium water by eliminating clouds of suspended particles. Clumps together floating particles to be...

Clear up green or cloudy water caused by gravel and other floating particles in your freshwater aquarium quickly and safely with API ACCU-CLEAR Fre...

Indestructible cleaning pad made to reach the nooks and crannies of the aquarium. Removes algae quickly and easily. For glass aquariums only.

API ALGAE SCRAPER GLASS uses an extra-long, extra-strong handle with durable scrubbing pad for easy cleaning in glass aquariums. Removes unsightly ...

Treat and control algae growth and reduce your freshwater aquarium maintenance with API ALGAEFIX Algae Control. This revolutionary product is speci...

Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. Fish continually release ammonia into the aquar...

Tests ammonia levels from 0 to 8 parts per million. Ammonia is the number one killer of tropical fish, and is continuously produced by the aquari...

A lack of electrolytes in aquarium freshwater may cause serious health problems for freshwater fish. API AQUARIUM SALT supplies electrolytes to imp...

Superior removal of synthetic and naturally occurring organic pollutants including colors, odors, heavy metals, and toxic gas Features the highest...

Keep your aquatic life healthy and thriving by testing your aquarium water's calcium levels regularly with this easy-to-use API CALCIUM TEST KIT fo...

Keep your fish healthy and thriving by testing your aquarium water's KH levels regularly with this easy-to-use API CARBONATE TEST KIT for freshwate...

Removes chlorine, chloramines, and heavy metals from tap water. Detoxifies ammonia from fish wastes and uneaten food. Contains aloe vera to repair...

API FIN & BODY CURE Freshwater Fish Powder Medication treats bacterial disease, internal and external, in fish, including fin & tail rot, b...

Fish need properly balanced levels of ammonia, pH, high range pH, nitrite and nitrate, these levels can change rapidly and createharmful condition ...

API FURAN-2 treats a variety of bacterial infections in fish, such as bacterial gill disease, open red sores (Aeromonas spp.), body slime & eye...

Fast-acting API GENERAL CURE Freshwater and Saltwater Fish Powder Medication treats a wide variety of parasites in fish, including velvet, fish lic...

Keep your fish healthy and thriving by testing your aquarium water's GH levels regularly with this easy-to-use API GH & KH TEST KIT for freshwa...

API HIGH RANGE pH TEST KIT may be used in fresh or saltwater aquariums to measure pH levels in the range of 7.4-8.8. Unbalanced pH levels, resultin...

Rid your fish of ich quickly and effectively with API LIQUID SUPER ICK CURE Freshwater and Saltwater Fish Medicatio. API LIQUID SUPER ICK CURE Fres...

API MARINE ALGAEFIX Algae Control effectively controls these types of algae: Green algae, Red Slime, and Brown algae in saltwater aquariums. Works ...

All natural antibacterial medication. Promotes regrowth of damaged tissues and fins. For use in fresh, salt water, and reef aquariums. Safe to use...

API MELAFIX Freshwater Fish Bacterial Infection Remedy soothes the transition from store to home by reducing the risk of your fish developing a dis...

When left uncorrected, high nitrate in aquarium water can lead to water problems invisible to the eye, poor fish health and a build-up of organic p...

Keep your fish healthy and thriving by testing your aquarium water's NO3 levels regularly with this easy-to-use API NITRATE TEST KIT for freshwater...

Tests nitrate levels from 0 to 160 parts per million. High levels of nitrate are a food source for unwanted algae and indicate poor water quality....

Keep your fish healthy and thriving by testing your aquarium water's NO2 levels regularly with this easy-to-use API NITRITE TEST KIT for freshwater...

Keep out of reach of children. This chemical works to lower ph levels for fish. Do not lower ph any more than 0.2 in any 24 hour period.

Keep your fish healthy and thriving by testing your aquarium water's pH regularly with easy-to-use API pH TEST KIT for freshwater aquariums. Testin...

Phosphate can enter the aquarium in fish waste, decaying organic matter and tap water. High phosphate in the aquarium can cause water clarity issue...

Tests phosphate levels from 0 to 10 ppm.

API POND ACCU-CLEAR Pond Water Clarifier quickly eliminates cloudy pond water caused by dirt, silt and floating particles. This fast-working pond c...

Fast-acting API POND ALGAEFIX Algae Control works to control algae growth in ponds, water gardens, and fountains, keeping water clean and clear. AP...

API POND MELAFIX Pond Fish Bacterial Infection Remedy uses the antibacterial properties of tea tree (Melaleuca) to treat bacterial infections in po...

API POND STRESS COAT Pond Water Conditioner works instantly to remove chlorine, chloramines and ammonia from tap water and neutralize heavy metals....

API POND-ZYME SLUDGE DESTROYER Pond Water Cleaner with Barley reduces build-up of fish waste and consumes pond sludge, which is typically a build-u...

Adjusts and stabilizes ph levels. Detoxifies heavy metals. Neutralizes chlorine. For use in freshwater aquariums only. Will set ph level at 7.0, a...

Adjusts and stabilizes ph levels. Neutralizes chlorine. Detoxifies heavy metals. For use in freshwater aquariums only. Sets ph level at 7.5.

In a new aquarium, harmful ammonia and nitrite build up from fish waste, often resulting in fish loss or "new tank syndrome". The unique, patented ...

Measure the most important reef aquarium levels including calcium, carbonate hardness (KH), phosphate and nitrate with API REEF MASTER TEST KIT. Pr...

Measures the most important aquarium health indicators quickly and accurately. Fish waste, uneaten food, plant refuse and other organic compounds c...

API® STRESS COAT water conditioner makes tap water safe for fish by removing chlorine, chloramines and heavy metals from tap water, and contains th...

Description  A patented formula containing Aloe Vera, nature's liquid bandage, to protect & heal fish. Forms a synthetic slime coating on the s...

Heavy metals such as copper, zinc, and lead are present in tap water. These are toxic to tropical fish. For use white never setting up an aquarium...

Good water quality is the key to a healthy, beautiful aquarium. Tap water contains chemicals, such as chlorine and chloramines, which make water sa...

API TURTLE SLUDGE DESTROYER Aquarium Cleaner and Sludge Remover Treatment reduces build-up of turtle waste and consumes aquarium/vivarium sludge, w...

The 14-Day automatic API VACATION PYRAMID FISH FEEDER contains nutritious food pellets that are released slowly, as the pyramid dissolves. It is ma...