Uses 3 Quarts single size & 2" double size for 1st and 2nd coats,6 Double handfulls of powd whiting,1 Do. Do. powd Bath brick,To 1/2 a double pot of the mixed size above mentioned,-The size is melted & the whiting and Bath brick is added & left to stand till the whiting is fully saturated (not stirred at all) by which means the admission of air is prevented.,