COLOMBO kH Freshwater Test Kit
The correct Carbonate Hardness (KH) is mandatory for clear pond water and healthy fish and plants as well as a stable pH. KH is a measurement for the total amount of dissolved carbonates in the water. When the KH is too low the pH can fluctuate which is very harmful for the aquatic life.
Colombo has produced test kits specifically designed for freshwater. These tests provide accurate and reliable results.
Colombo, with 30 years of experience in water testing, ensures high-quality performance and trustworthiness.
| Component | Details |
|---|---|
| Test Strips | 10 strips |
| Instruction Manual | Included |
| Storage | Store in dry, cool place away from direct sunlight |
FAQ
How accurate is the KH test result from this kit?
The test strips are designed to provide accurate readings when used according to the instructions. Results are reliable for routine monitoring of freshwater KH levels.
Can this test kit be used for saltwater aquariums?
No, this kit is specifically formulated for freshwater environments. It is not suitable for saltwater or marine aquariums.
How long does the test strip remain effective after opening?
The test strips should be stored in a dry, cool place. Once opened, they are typically effective for up to 12 months when stored properly.

Michelle May –
I’ve used this kit for several months now and it’s very easy to use. The color changes are clear and I can see the KH level quickly. My pond water has stayed stable and my fish are thriving. Great value for the accuracy.
Lucas MacDonald –
The instructions are straightforward and the test strips work well. I noticed a small variation in readings between batches, but overall it’s reliable. Good for regular monitoring.
Lillian Powell –
After switching from a cheaper brand, I found this kit much more consistent. The results help me maintain a stable pH, which is essential for my planted tank. Highly recommend.