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It is important for aquarists to provide a healthy aquarium environment by approximating the water conditions of the natural habitats of their...

Measures pH, Nitrite, Nitrate, Carbonate & General Hardness. Just dip & read! It is important for aquarists to provide a healthy aquari...

Measures pH, Nitrite, Nitrate, Carbonate & General Hardness. Just dip & read!

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt and debris. Clumps tiny particles, causing them to fall to the bottom or...

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt and debris. Clumps tiny particles, causing them to fall to the bottom or...

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt and debris. Clumps tiny particles, causing them to fall to the bottom or...

A revolutionary new product for controlling many types of algae in freshwater aquariums containing live plants and fish. Keeps freshwater aquari...

A revolutionary new product for controlling many types of algae in freshwater aquariums containing live plants and fish. Keeps freshwater aquari...

A revolutionary new product for controlling many types of algae in freshwater aquariums containing live plants and fish. Keeps freshwater aquari...

A revolutionary new product for controlling many types of algae in freshwater aquariums containing live plants and fish. Keeps freshwater aquari...

Aquarium Algaecide that is EPA-registered as reef-safe. Algaefix Marine controls many types of algae in marine & reef aquariums. It will not...

Detoxifies ammonia produced by fish waste. Removes chlorine and chloramine from tap water. Eliminates ammonia stress and protects healthy gill f...

Detoxifies ammonia produced by fish waste.Removes chlorine and chloramine from tap water. Eliminates ammonia stress and protects healthy gill fu...

Salicylate test measures ammonia levels in both fresh & saltwater aquariums. Ammonia, the #1 killer of tropical fish, is continually prod...

Treat your tap water, and provide a safe environment for freshwater fish instantly and easily with API AQUA ESSENTIAL water conditioner. Tap wat...

Instantly makes water safe for Bettas by removing chlorine, chloramine and heavy metals from tap water and adding electrolytes. It also detoxifi...

Filtration material composed of a unique blend of pharmaceutical-grade ion exchange resins, research grade organic scavenger resins & high poro...

Tests tap water & fresh or saltwater aquariums for carbonate hardness (KH). Helps prevent fish stress caused by rapid pH shifts, the resu...

Test reads 0 to 4 mg/L or parts per million (ppm) of copper. Helps to maintain a healthy aquarium or pond for fish by ensuring that copper (a...

An all natural salt, made from evaporated sea water. Helps improve gill function to reduce stress. Reduces electrolyte loss and promotes healthy...

Rid your fish of fungal infections quickly and effectively with API LIQUID FUNGUS CURE Freshwater Fish Medication. API LIQUID FUNGUS CURE Freshwate...

Tests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH).Helps prevent fish stress caused by rapid pH...

Use to measure pH changes in marine aquariums, aquariums with African chchlids, and very alkaline tap water. Reads the pH of water within the...

Effective for both fresh & saltwater aquariums. High levels of nitrate are a food source for unwanted algae & indicate poor water qua...