If your ever unsure of what to do with something, you can always refer to the free Accessorie i like to call "The instructions"been readin thru this thread and im using Millers 4 still, but only just occured to me that im only puttin in half what I should be, Ie, 1 cap to 40 litres! Ill add another cap later!
Label on the back will give you a guide to how much