API Deluxe pH Test & Adjuster Kit – Complete Aquarium pH Testing & Adjustment Solution

Take the guesswork out of aquarium water chemistry with the API Deluxe pH Test & Adjuster Kit. This all-in-one aquarium water testing kit allows you to accurately measure, monitor, and adjust pH levels, helping create the ideal environment for freshwater fish, shrimp, and aquatic plants.

Unlike standard pH test kits, the API Deluxe pH Test & Adjuster Kit includes both API pH UP® and API pH DOWN®, giving aquarists the tools needed to safely raise or lower aquarium pH as required. Whether you're cycling a new aquarium, maintaining a community tank, or keeping sensitive fish species, this kit makes pH management simple and effective.

Regular pH testing is essential for fish health, as sudden changes in water chemistry can lead to stress, illness, and poor biological filtration performance. With up to 250 tests, this kit provides long-lasting value and reliable results for routine aquarium maintenance.

Key Features

• Complete aquarium pH testing and adjustment kit

• Includes API pH UP® and API pH DOWN® solutions

• Accurately measures freshwater aquarium pH levels

• Helps maintain stable water conditions for fish and plants

• Ideal for correcting low or high pH levels

• Liquid test kit provides accurate and reliable results

• Includes enough solution for up to 250 tests

• Suitable for beginner and experienced aquarists

Why Monitor Aquarium pH?

pH is one of the most important water parameters in any aquarium. Different fish species require different pH ranges, and maintaining stable conditions helps reduce stress and support long-term health.

Regular testing can help:

• Prevent fish stress caused by sudden pH fluctuations

• Improve overall fish health and wellbeing

• Support beneficial bacteria in biological filtration

• Create ideal conditions for aquatic plants

• Maintain species-specific water parameters

What's Included?

• API Freshwater pH Test Kit

• API pH UP® Solution

• API pH DOWN® Solution

• Colour comparison chart

• Testing instructions

Suitable For

• Freshwater aquariums

• Tropical fish tanks

• Community aquariums

• Shrimp tanks

• Planted aquariums

• New aquarium setups

• Routine aquarium maintenance

Complete pH Control for Healthy Aquariums

The API Deluxe pH Test & Adjuster Kit gives aquarium hobbyists everything needed to test and adjust pH levels with confidence. Combining accurate testing with trusted pH correction products, it's the ideal solution for maintaining stable, healthy water conditions.

Application: Freshwater Aquariums
Tests Included: Up to 250 Tests
Includes: pH Test Kit, pH UP®, and pH DOWN®