Product Information

API Freshwater pH Test Kit – Accurate liquid test kit for measuring freshwater aquarium pH from 6.0 to 7.6. Essential for Betta, Goldfish, Tetra, Discus, Angelfish, planted aquariums, and community tanks. Helps monitor pH stability, diagnose fish stress, and maintain healthy aquarium water. Performs up to 250 tests.

The API Freshwater pH Test Kit is an essential water testing tool designed to help aquarium hobbyists monitor and maintain the ideal pH balance in freshwater aquariums. Regular pH testing is important for ensuring a stable aquatic environment and supporting the health and well-being of your fish.

Accurate pH Monitoring

This easy-to-use test kit measures a wide pH range from 6.0 to 9.0, allowing aquarists to accurately assess water conditions and make necessary adjustments before water quality issues affect fish health.

Supports Healthy Fish and Stable Water Conditions

pH is one of the most important water parameters in any aquarium. Sudden changes or incorrect pH levels can cause stress and health problems for fish. Regular testing helps maintain a stable and suitable environment for a variety of freshwater species.

Suitable for Different Freshwater Fish Species

Different fish thrive in different pH ranges. This test kit helps hobbyists monitor water conditions for:

• Community Tropical Fish: Around pH 7.0
• Goldfish & Livebearers: Around pH 7.5
• Angelfish & Neon Tetras: pH 6.5 – 6.8
• Mollies & Swordtails: pH 7.2 – 7.5

Quick and Easy Testing

The simple testing process allows aquarists to quickly check aquarium water conditions and compare results using the included color chart, making routine maintenance easy for both beginners and experienced fishkeepers.

Ideal for Routine Aquarium Maintenance

Weekly pH testing helps identify hidden water quality issues before they become harmful, supporting long-term fish health and a more stable aquarium ecosystem.

Key Benefits

• Measures freshwater aquarium pH levels from 6.0 to 9.0.
• Helps maintain healthy and stable water conditions.
• Supports the well-being of tropical fish, goldfish, livebearers, and more.
• Allows early detection of water quality changes.
• Simple and easy-to-use testing system.
• Ideal for routine aquarium maintenance and monitoring.
• Suitable for beginner and advanced aquarium hobbyists.

Why Is pH Important in an Aquarium?

pH affects:

• Fish health
• Beneficial bacteria activity
• Plant nutrient uptake
• Breeding success
• Stress levels
• Ammonia toxicity

While many hobbyists focus on achieving a specific pH, experienced aquarists understand that stable pH is often more important than chasing an exact number.

Ideal For

• Betta Aquariums
• Goldfish Tanks
• Tetra Aquariums
• Angelfish Tanks
• Discus Aquariums
• Community Aquariums
• Planted Aquariums
• Shrimp Tanks
• Breeding Tanks
• Freshwater Aquariums

What’s Included?

• API Freshwater pH Test Solution
• Glass Test Tube with Cap
• Color Chart
• Instructions

Performs approximately 250 tests

Country of Origin USA

Expert Recommendation from Something Fishy

At Something Fishy, we often find hobbyists testing ammonia and nitrate but overlooking pH.A stable pH is one of the foundations of a healthy aquarium. Whether you’re keeping Bettas, Tetras, Goldfish, Angelfish, Discus, or a planted aquarium, regular pH testing helps prevent avoidable stress and supports long-term fish health.

For freshwater hobbyists, the API Freshwater pH Test Kit remains useful and cost-effective water testing tools available.