a conductivity test is more or less the same as a salinity test or tds, ph probe is basically a device that generates a voltage....A ph meter is just a high impedance op-amp(amplifier) the voltage is generated by the probe itself (mV)...How close is the probe to the skimmers output????
__________________
500G Mixed Reef

__________________________________
Electrician, Electronics Technician, I can help with any electrical questions you might have!!
__________________________________
Kevin
|