Picked up a Murphy's clone kit tonight. Thinking about tweaking it with some oatmeal and dark coca powder. No idea how much to use though.
Kit as is:
7.5 Dark LME
1.0 Crytal 20L
.75 Roasted Barley
.25 Black Patent
1oz Galena @ :30
1oz Galena @ :01
Any suggestions?