function pH = pHPlotsExperiment(SensorData, SpecpHData, pHext_tot1, pHext_tot2)
%PHPLOTS make some nice comparison plots between the sensor pH measurements
% and the spec pH measurements
pH = figure;
clf

tiledlayout(3,1)

nexttile
plot(SensorData.SampTime1,pHext_tot1)
hold on
plot(SensorData.SampTime2,pHext_tot2)
scatter(SpecpHData.DateTime(SpecpHData.QC),SpecpHData.pH_tot(SpecpHData.QC),'filled')
legend('Mfet','Nano','Spec pH',Location='southeast')
title('Mfet and Nano vs Spec pH')