API Freshwater Master Test Kit – Complete Aquarium Water Testing Kit

Take complete control of your aquarium water quality with the API Freshwater Master Test Kit, the industry-standard testing solution trusted by aquarists worldwide. Designed for freshwater aquariums, this comprehensive kit accurately measures the four most critical water parameters that impact fish health and aquarium stability: pH, High Range pH, Ammonia, Nitrite, and Nitrate.

Poor water quality is one of the leading causes of fish stress, disease, and mortality. Regular testing allows aquarium keepers to identify issues before they become serious, helping create a safer, healthier environment for fish, shrimp, and aquatic plants.

With enough reagents for over 800 tests, the API Freshwater Master Test Kit delivers professional-level accuracy and exceptional value, making it an essential tool for every freshwater aquarium owner.

Key Features

• Tests the five most important freshwater aquarium parameters:

  • pH

  • High Range pH

  • Ammonia (NH₃/NH₄⁺)

  • Nitrite (NO₂⁻)

  • Nitrate (NO₃⁻)

• Provides laboratory-quality liquid test results

• Helps detect water quality problems before fish become stressed or ill

• Suitable for tropical, coldwater, shrimp, and planted aquariums

• Includes enough solution for over 800 tests

• More accurate and reliable than many test strips

• Easy-to-follow instructions and colour charts included

• Trusted API water testing technology

Why Test Your Aquarium Water?

Many water quality issues are invisible until fish begin showing signs of stress. Regular testing helps monitor the aquarium nitrogen cycle and ensures water parameters remain within safe ranges.

Routine testing can help:

• Prevent fish stress and disease

• Monitor aquarium cycling progress

• Detect dangerous ammonia and nitrite spikes

• Control nitrate accumulation

• Maintain stable pH levels

• Improve long-term aquarium health and stability

What's Included?

• Ammonia Test Solution

• Nitrite Test Solution

• Nitrate Test Solutions

• Freshwater pH Test Solution

• High Range pH Test Solution

• 4 glass test tubes with caps

• Colour comparison charts

• Comprehensive instruction booklet

• Convenient storage case

Perfect For

• Freshwater community aquariums

• Tropical fish tanks

• Goldfish aquariums

• Shrimp tanks

• Planted aquariums

• New aquarium cycling

• Routine aquarium maintenance

The Essential Aquarium Test Kit

Whether you're setting up your first fish tank or maintaining a large established aquarium, the API Freshwater Master Test Kit provides the information you need to keep your aquatic pets healthy and thriving. By regularly monitoring key water parameters, you can prevent problems before they occur and create a stable environment for long-term success.

Application: Freshwater Aquariums
Parameters Tested: pH, High Range pH, Ammonia, Nitrite & Nitrate
Tests Included: Over 800 Tests