The API Carbonate Hardness (KH) Test Kit 84 Tests is a precision aquarium KH test kit designed to accurately measure carbonate hardness levels in both freshwater and saltwater aquariums. KH plays a critical role in maintaining stable pH by buffering against sudden changes, making it essential for overall aquarium stability.

With up to 84 tests per kit, this test kit provides reliable and easy-to-read results, allowing you to monitor KH levels and prevent dangerous pH swings. Ideal for routine maintenance, it helps support a stable environment for fish, plants, and invertebrates.

Key Features

• Accurate KH test kit for freshwater and saltwater aquariums
• Up to 84 tests for long-term monitoring
• Measures carbonate hardness to help stabilize pH
• Helps maintain stable water conditions and prevent pH swings
• Easy-to-use liquid test with clear colour change results
• Trusted API quality for reliable performance

Compatibility

Suitable for:

• Freshwater aquariums
• Saltwater and reef aquariums
• Routine water testing and maintenance
• Monitoring pH stability and buffering capacity

How to Use

Add the test solution to a water sample following the included instructions and count the drops until the colour changes. Test regularly to maintain stable KH levels.