I'm confused cuz sometimes I feel the effects of smoking and some days I just don't... my pipes fucked so i'm not going to include pics but my product gives a lot of smoke and maybe takes about 10-15 seconds to solidify after lighting if I don't do anything to cool it. If I blow on it probably more around the 10 second mark. But I jst dont feel high! its not bubbling... it doesn't burn unnless i'm actually being careless or something. the crackback, I can't tell... partially cuz I need a new piece. do I just have tolerance? I smoked a few years back a lot but I felt like I consistantly got high. now its hit or miss and I only jumped back on the train 2 months ago. the actual shards are kind of hard, i have to apply pressure with the bottom side of tweezers to get it to break up. I want some inputs plzzzzz.

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Is the crackback supposed to be a centered point like the tip of a pen and extend outwards from there? is that the ideal crackback?

***EDIT is there anything I can take to heighten its effects? would I know if its ISO/MSM by taste or the effects??? I added a photo of one of the shards for reference to compare it!

https://preview.redd.it/lw18oyf8b3yc1.jpg?width=1737&format=pjpg&auto=webp&s=ec7e79695f1f8b00e37914c1ebba383cac3058b8