now that u have the 1oz. of fragrance per pound of wax rule.... it's really testing in your wax. for paraffin, I would start testing 1oz. of fragrance/per pound of wax...if u cant get a room full of aroma, mark that oil off ur list.....if u use pure soy wax, more than 1oz. of fragrance may be required for kick butt hot throw. for pure soy/natural wax-try 1.5 oz. of oil, per pound of wax. (most) natural waxes requires more fragrance oil . There r many wonderful suppliers who carry fab., kick butt scents. take ur time n test n ur wax. give ur candles away 2 friends...let them test.. get feedback. good luck!