A little while ago i made a tumbler and brought some media. Up until now ive used washing up liquid (good squirt of) and a bit of citric acid (because i read somwhere that was a good thing to do). All the recipies i see online call for lemishine, dish soap etc. what is everyone else using in the uk? Im getting patchy results and am just wondering if there are any good products that will be available in your average sized supermarket that may improve things?