Feature●High-quality ORP calibration solution with a precise 256mV reading●Easy to use with a 30ml bottle and clear instructions●Accurate measurements for aquariums, pools, and other water applications●Reliable and consistent results for optimal water quality control●Essential for maintaining healthy aquatic environmentsDescription
This optional 256mv calibration solution 30ml is used for Digital Redox Meter -1999mV~1999mV Millivolts Pool Aquarium Oxidation Reduction Potential (ORP)
Set includes.
2 x solution 30ml