Hydroponic nutrient level vs lighting power

I am using a 150W HPS mini sunburst HPS and the GH flora gro series in a hydro DWC setup.
With such a small power lamp, do I need to adjust down the nutrient level of the flora nutrient chart suggested by Hydrofarm ?
Will I waste nutrients if I follow that chart ?
The plants are doing all fine, no burn, great yields, just wondering if I am wasting stuff...
Thanks !

If your ec rises then the soup is too strong

If all looks healthy and no deficiencies then your spot on mate