I use C3 and just starting testing USA w/it. Im using 13oz of wax, 1 weighed oz of fo, 1tsp CO, and now adding 1/2 tbs USA...melt to 185 w/co & usa, temper, remelt to 185, add dye chip then fo stir 2 minutes then pour at 130. Every batch (2-3 16oz jars) turns out well EXCEPT 1 candle wii be seeping fo-enough to cover the topmof candle:shocked2: This has happened with all 3 batches..each batch I was using fo from 3 different suppliers...wth...suggestions please!! TIA...This never happened to me before-not until I started using usa...