19th August 2013, 01:35 PM
Shouldn't that be 40 litres? .....wasn't there a paper written ages ago that prompted the upping of enviro samples from 30l to 40l? From what I remember, wasn't that paper all about getting a statistically viable number of grain i.e. over 200.
Can't remember much about it though..........
Can't remember much about it though..........