It is possible to adjust Consultation so it only shows the herbicides you have on stock or prefer. You can find the facility close to the calculate button in the tool, Consultation or in the menu bar.
The advantage for you is that you don't have to look at recommendations containing other herbicides than your own. If you also know the price of your herbicides, Consultation can make computations based on your prices and find the cheapest solutions. If you don't know the price, just enter the standard price given in paranthesis beside the herbicide.
To block your own herbicides and prices uncheck Use my own herbicides and prices. Remember to click on Save, when you change anything on this page. Note that My herbicides is only available for Pro Plus subscribers