I’m doing my first xtract today with 100g ACRB and currently have ~400mL of base soup. My solvent of choice is hexane (because of availability and a friend avised to use it instead of naphtha for better results). I bought a 1.5L (0.4 gallon) jar with clamp contraption lid, and lid has rubber seal to keep it snug (white translucent and soft). Friend said he used same one and it was fitting for the job, the seal expanded a bit under heat from warm bath and solvent but shrank after a while. Is it ok and not that bad to use, i see people advise against it but idk if it’s a purity thing. I’m a bit concerned about cancer and stuff, although i’m a heavy smoker…