Quick Summary
The JBL ProAquaTest CO2-pH Permanent Refill is a 2-unit refill pack for freshwater aquariums. It is made for use with the ProAquaTest CO2-pH Permanent long-term test device and is described as a reclosable reagent refill for checking pH and carbon dioxide content.
The refill is intended for direct measurement in a freshwater aquarium. The stated display range is pH 6.4 to 7.8, with CO2 content shown through the long-term test setup.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | JBL, for matching the refill to the correct aquarium test system. |
| Product type | Water test refill for freshwater aquariums. |
| Compatibility | For use with JBL ProAquaTest CO2-pH Permanent. |
| Pack quantity | 2 units, so the buyer can confirm the required refill count. |
| Display range | pH 6.4 to 7.8. |
| Measured values | pH value and carbon dioxide content. |
What to Compare Before Buying
- Compatibility: This refill is made for the JBL ProAquaTest CO2-pH Permanent system. Check that your test device matches exactly.
- Pack quantity: The pack contains 2 units. Compare this with how often you expect to replace the refill.
- Measurement range: The displayed pH range is 6.4 to 7.8. Make sure that matches the values you want to monitor.
- Use environment: It is for freshwater aquariums, so it is not the same as a general-purpose water test refill for other aquarium types.
What Is Included
- 2 x JBL Water Test Refill for JBL ProAquaTest CO2-pH Permanent
Before You Decide
Confirm that you have the JBL ProAquaTest CO2-pH Permanent device, since this refill is made for that system. Also check that a 2-unit pack and the stated pH range of 6.4 to 7.8 match what you need for your freshwater aquarium.











