holes

Hello! I'm a total newbie and need a bit of help! I can't figure out or find out how to stop these big air pockets happening on taper candles! I'm using kerawax 4600 pillar paraffin wax. Would a different type of wax be better? is there a pour technique I need to know about? Thanks in advance xx

Hi guys! I'm pretty new to candle making and have been using the GW464 wax to make my candles. As you can see in the photo, there are holes/cracks(?) that are quite visible at the sides of my glass candles. I heat my jars till it's warm to the touch before pouring. I add my fragrance in at 7%...