The Neptune Systems pH 7 Reference Solution 20ml is a calibration solution for pH meters.
- Select solutions 7 & 10 to calibrate a pH meter for marine aquariums.
- Select solutions 4 & 7 to calibrate a pH meter for freshwater aquariums or a calcium reactor.
- If you have a complete Apex system, check out the complete Probe Calibration Kit.
- Parameter
- pH
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.