The Salifert KH / Alkalinity Test Kit is one of the most popular alkalinity tests among reef keepers — precise, simple to read and great value at around 100 tests per kit.
Why test alkalinity (KH)?
Alkalinity is the most important parameter for coral growth and it can change quickly in a busy reef tank. Swings in KH stress corals and can cause tissue loss. Most reef keepers aim for about 7–11 dKH and, above all, keep it stable.
Key features
- Approx. 100 tests per kit — excellent value for frequent testing.
- Titration method — precise and repeatable.
- Clear colour change that's easy to read.
- Syringe, vial and reagents included with step-by-step instructions.
Specifications
| Parameter | KH / Alkalinity |
| Number of tests | Approx. 100 |
| Method | Titration (colour change) |
| Suitable for | Saltwater / reef aquariums only |
Test the "big three" together
Pair with the Salifert Calcium and Salifert Magnesium test kits for complete control of your reef chemistry.
Frequently asked questions
How often should I test KH?
Two to three times a week in an SPS or fast-growing reef; weekly in a softie or fish-only tank.
Can I use it for freshwater?
No — this kit is made for marine aquariums and will not read accurately in freshwater.
Genuine Salifert product, shipped from Astra Aquatics, Chennai.