A complete kit for testing marine aquarium water. Tests water four ways to protect marine fish and invertebrates from dangerous water conditions. Kit includes tests for: High Range pH, Ammonia, Nitrite, plus four test tubes, holding tray and test tube rack. Fast, easy and accurate.

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API has been helping people take good care of ornamental fish for over 40 years.

Our research and development scientists have advanced the care of fish with all natural medications, stable bacteria for biological filtration, one-bottle test kits, consumer-friendly dosing caps and much more.

We’ve received over 25 global patents for our breakthrough innovations in the aquatics industry. And we continue to look for ways to improve the fishkeeping experience for consumers.

Research. Experience. Dedication to scientific, quality treatment for healthy fish. It’s what makes API the first choice of aquarium owners.

Api Master Test Kit - Saltwater Reviews

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