Do the Recipe Creator Calculators support Plaato? The Recipe Creator Calculators do not support Plaato. The calculator only supports specific gravity readings. You will need to use a conversion chart for Plaato. Related articles What are the calculations that are used in the Recipe Creator? Recipe Additions - How do you work out OG & FG when using fruit? What should I do if I have a slow or stuck sparge? How do I know which it is?