function [outputArg1,outputArg2] = calck0_auto(inputArg1,inputArg2)
%CALCK0_AUTO Summary of this function goes here
%   Detailed explanation goes here
trex = CO2SYS(2270, spec_pH, 1, 3, meanCTD_psal, spec_Temp_used, meanCTD_temp, 0, 0, 0, 0, 1, 10, 1);
% Spec pH input for next step
spec_pH_insitu = trex(:,18);

[k0, ~] = calc_k0_ext(vrse, CTD_T, CTD_Sal, spec_pH, cal.k2);

end

