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API Quick Start allows for the instant addition of fish, as it immediately starts the natural aquarium cycle with beneficial bacteria, which conver...

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

API Aquarium Salt, made from evaporated sea salt, is a must-have for your aquarium! Aquarium salt promotes fish health by improving gill function, ...

API Aquarium Salt, made from evaporated sea salt, is a must-have for your aquarium! Aquarium salt promotes fish health by improving gill function, ...

API Quick Start allows for the instant addition of fish, as it immediately starts the natural aquarium cycle with beneficial bacteria, which conver...

API AlgaeFix controls the main and most persistent types of algae in freshwater aquariums, and does so without causing harm to your fish or plants....

API Stress Zyme contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, keeping your aquarium cl...

API Stress Zyme contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, keeping your aquarium cl...

API Leaf Zone contains iron & potassium for colorful leaves and a vibrant planted aquarium. Product is formulated for rapid absorption through ...

Pond Care Accu-Clear is a colourless liquid that rapidly eliminates cloudy water in ponds and water features. Cloudy or discoloured water may occur...

API Accu-Clear quickly clarifies cloudy water in your aquarium, eliminating haze to make your water crystal clear. API Accu-Clear clumps tiny float...

API pH UP raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic or alkaline condition...

API Betta Water Conditioner 50mL - Chlorine Remover. A multi-purpose water treatment that instantly makes tap water safe for Bettas by removing...

API NITRA-ZORB filtration media is a ready-to-use filter media pouch that can be added to your filter to remove ammonia, nitrite, and nitrate. NITR...

API Stress Zyme contains over 300 million live bacteria per teaspoonful to consume sludge and reduce aquarium maintenance, keeping your aquarium cl...

API pH UP raises pH levels in your aquarium to make water more alkaline when levels fall too low. pH is the measure of acidic or alkaline condition...

PRODUCT SUMMARY: The API® Saltwater Master Test Kit measures the 4 most important saltwater parameters – pH, ammonia, nitrite, and nitrate – to ...

Calcium is one of the most important elements in a reef aquarium. Reef invertebrates, such as corals, crustaceans, mollusks, and even some type of ...

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

API Quick Testing Strips 5 in 1 25 pack Contains GH / KH / PH / NO2 / NO3 25 strips per pack (243 units to a box)

PRODUCT SUMMARY: Use the API® pH Aquarium Test Strips as a quick and accurate way to test pH levels in your water. These test strips measure a w...

Ammonia is an extremely toxic compound which in high enough quantities can be fatal to any living being inside your aquarium. It is produced by fis...

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 KH Carbonate Hardness Test Kit tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent ...