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

API Root Tabs plant fertilizer promotes lush growth of aquarium plants with ingredients such as iron, potassium, and carbon that help develop st...

API Safe & Easy glass cleaner cuts through white, crusty mineral deposits in your aquarium, leaving a protective coating behind to reduce futur...

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

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

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

API Aquarium Start-Up Pack contains two helpful treatments to make your water safe and livable for fish before adding them to your aquarium. Aqu...

API Marine Stress Coat water conditioner instantly removes chlorine, chloramines, and ammonia from tap water to make water safe for fish in your sa...

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

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

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

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

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

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

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

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

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

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

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

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

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

API® Tap Water Conditioner treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back aft...

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 ...

API® Tap Water Conditioner treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back after a wat...