dont ever say that word 'flush 'in live stoners mate it starts a war every time lol. i grow hydro so all they get is 'chemical' nutrients. fed my first 2 at up to 1500ppm dropping down to 600ppm (about 70% strength for most people) for a few days before the chop and couldnt taste it at all. just brought down a big bud that was fed 1000ppm right up to the chop and its one of the strongest, tastiest smokes ive ever had. have you read pop22's thread on flushing? even if you dont agree with it, its a very informative and easy to follow read : ) great way to spend 20 minuits anyway : )