Light roast = higher % of desired solubles Dark roast = lower % of desired solubles At the same time… Light roast is overall less soluble Dark roast is overall more soluble Do you see the tension here? Putting light roasts on espresso can be tricky- but very tasty. Any questions???

Hello everyone! My name's Alex I am just starting to roast coffee on my gene cafe I do love it I am even gonna try and sell some as it's a super cool hobbie!