This is all a guessing game and your banger thickness, torch power, and length of time you heat the banger all play a role. Many people will use timers to get the hit they like. To learn more about how to use a banger visit our blog. The best way to find the proper them is a low temp dab or upgrading to a Silver Surfer E-Banger
A terpometer can help, but it is a lot of money when you can do a cold dab or use a Silver Surfer E Banger and leave on all the time for when you are ready