AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH..... I am going crazy.... haha... Was doing experiement just now... 5 hrs of experiment time and out comes junk.. Failed product... Went over to another school to pre-treat my samples first then put in my system to run process.. .then realise the student who previously used it have change the parameters !!!! arghhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............... faintz.... now my pump is starting to throw out smoke... signs that it is dying soon... arghhhhhhhhhhhhhhhhhhhhhhhh.......