API GH & KH Test Kit – General & Carbonate Hardness Aquarium Water Test Kit

Create a healthier, more stable aquarium environment with the API GH & KH Test Kit. This easy-to-use liquid water test kit accurately measures General Hardness (GH) and Carbonate Hardness (KH), two critical water parameters that influence fish health, plant growth, pH stability, and overall aquarium success.

Understanding your aquarium's hardness levels is essential for maintaining species-specific water conditions. Whether you're keeping tropical fish, shrimp, livebearers, African cichlids, or planted aquariums, the API GH & KH Test Kit helps check your water chemistry remains within the optimal range.

Regular testing allows aquarists to identify mineral deficiencies, monitor buffering capacity, and prevent sudden pH swings that can stress fish and impact biological filtration.

Features

• Accurately measures General Hardness (GH) and Carbonate Hardness (KH)
• Helps maintain stable aquarium water parameters
  
• Assists in detecting conditions for dangerous pH fluctuations
• Ideal for freshwater aquariums and planted tanks
• Easy-to-read liquid testing system
  
• Perfect for aquascaping and specialised fish species