
API Freshwater Master Test Kit — 5-in-1 Aquarium Water Test Kit
Quick, Accurate Testing for a Healthy Freshwater Aquarium
The API Freshwater Master Test Kit is an essential tool for every freshwater aquarium owner. It accurately measures the five most critical water parameters for fish health: pH, High Range pH, Ammonia, Nitrite, and Nitrate. This complete, reusable test kit helps you quickly detect water quality issues and maintain a balanced, safe environment for your fish.
Ideal for both beginners and experienced aquarists, the kit delivers scientific accuracy and professional-level results.
What Does the API Freshwater Master Test Kit Measure?
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pH
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High Range pH
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Ammonia
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Nitrite
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Nitrate
Each of these parameters plays a crucial role in maintaining a healthy aquatic ecosystem, protecting your fish from stress and disease.
What’s Included in the Test Kit?
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7 Test Solutions
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4 Glass Test Tubes with Snap-Tight Caps
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Easy-to-Read Color Chart
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Step-by-Step Instruction Booklet
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Convenient Storage Tub
How Many Tests Can the API Freshwater Master Test Kit Perform?
Test Type | Number of Tests |
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pH | 250 Tests |
High Range pH | 160 Tests |
Ammonia | 130 Tests |
Nitrite | 180 Tests |
Nitrate | 90 Tests |
Why Choose API?
A trusted name in aquatic care for over 50 years, API delivers professional-grade testing kits and treatments designed to support thriving, balanced aquariums.