Hi everyone, I just noticed that the Sticky in General about how to clean you pipes, bowls, bongs, etc. reccomends using Isopropyl Alcohol to clean acrylic piece, which according to the below link is potentially dangerous. Since this is a sticky, perhaps we should just remove the word acrylic from the post so no one gets hurt or sick. I just noticed this. http://forum.grasscity.com/seasoned-tokers/257555-potential-health-risk-w-acrylic-pieces.html ^^That's the link to the thread about the danger of cleaning acrylic with Isopropyl Alcohol.