Inhale hold for half a second exhale. The longer you hold the more carcinogens your lungs take on, you get minimal extra THC from holding. In the end holding does MUCH MORE harm than good.
2600HERTZ Reviewed by 2600HERTZ on . How long do you hold your hits in? I hold my hits in for 5-7 seconds. i hate seeing people exhale a huge white cloud of wasted smoke. Rating: 5