 I'm talking about vapes. You're talking about putting 7gs into 70ml.   Let's say it's 25% - or of your 7g about 1.75g of THC.   Now let's take 1.75 and divide it by 70ml to get the THC per ml.   That only works out to about 0.025  (2.5mg) of THC per ML of vape juice.