Products

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...

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...

The 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...

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...

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 ...

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

Size: 473 ml API POND ALGAEFIX algae control effectively controls green water algae blooms, string or hair algae (Cladophora), and blanketweed (...

Size: 240 g

Size: 210 g

Size: 946 ml

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...

The API® Saltwater Master Test Kit measures the 4 most important saltwater parameters – pH, ammonia, nitrite, and nitrate – to enable easy testing ...

Size: 37 ml

Instantly makes water safe for Bettas. Add Electrolytes. Detoxifies tap water. Aids in healing with the power of Aloe Vera. Add 8 drops per pint (...

API® STRESS ZYME bacterial cleaner contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, ke...

API® SUPER ACTIVATED CARBON makes your aquarium crystal clear with its premium-grade, high porosity carbon for maximum absorption and minimal aquar...

API® TAP WATER CONDITONER treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back after a water c...

API Triple Sulfa™ Powder contains three sulfa medications to effectively treat bacterial infections such as hemorrhagic septicemia (blood streaks i...