JBL Test Kit Refill – pH 3.0–10.0
The JBL Test Kit Refill – pH 3.0–10.0 is a convenient replacement for the indicator solution in your existing JBL pH test kit. Designed to provide continued precise pH measurements, this refill ensures you can maintain optimal water quality without purchasing a full new kit.
What’s Included
- pH Indicator Solution: Sufficient for up to 50 tests.
Benefits
- Cost-effective replacement to extend the use of your JBL pH test kit.
- Accurate pH measurements for freshwater, saltwater aquariums, ponds, and tap water.
- Easy to use with your existing test tube and color scale.
| Parameter | Value |
|---|---|
| Test Range | 3.0–10.0 |
| Number of Tests | Up to 50 |
| Usage | Freshwater, saltwater aquariums, ponds, tap water |
FAQ
How long does the pH indicator solution last?
The pH indicator solution is sufficient for up to 50 tests.
Can this refill be used in saltwater aquariums?
Yes, it provides accurate pH measurements for saltwater aquariums.
Is the refill compatible with existing JBL test kits?
Yes, it is designed to work with your existing test tube and color scale.

Kylie Knox –
I use this refill regularly in my freshwater tank. The color changes are clear and easy to match with the scale. It’s saved me money compared to buying a full kit. Works well after several months of use.
Theresa Black –
The refill fits perfectly into my old test tube. I did a few tests and the results matched my previous measurements. It’s reliable and convenient for weekly checks.
Angela Rees –
I switched from buying full kits to using this refill. It’s cost-effective and gives consistent results. My pond’s pH stays stable now.