Overview
The API KH Test Kit measures carbonate hardness (KH) in freshwater and saltwater aquariums, helping you monitor water quality and head off invisible problems that harm fish and plants. Because carbonate hardness stabilizes aquarium pH, the kit also helps you determine the proper dose of pH buffers. With a high-quality titration method and clear instructions, even beginners get precise readings quickly.
Key Features
- Tests carbonate hardness (KH) in fresh and saltwater tanks
- Accurate titration method for precise readings
- Helps stabilize aquarium pH and guide buffer dosing
- Detailed instructions and all components included
- Beginner-friendly for fast, reliable results
Specifications
| Spec | Detail |
|---|---|
| Brand | API |
| UPC | 0317163010594 |
About API (Aquarium Pharmaceuticals)
API is a globally trusted aquarium brand known for reliable test kits and water-care products. Visit API (Aquarium Pharmaceuticals).
Frequently Asked Questions
Why test carbonate hardness?
KH stabilizes pH, so tracking it helps prevent swings that stress fish and plants and guides proper buffer dosing.
Is it suitable for saltwater?
Yes. The kit works for both freshwater and saltwater aquariums.

























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