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Its been weeks and no relief

Its been weeks and no relief from headaches, stop drinking coffee

Question of the zaranda screen 20/64 ,19/64,18/64,17/64,16/64.

Where can i find the metal screens for selecting coffee by size? Im trying to make a machine by myself for the selecction of coffee by size . Whant to make my own coffee size grader . Can someone give me some tips of where to find info related to my objective ?.
Im a coffee grower from Puerto Rico . i grow and roast my own coffee but i have to have my own selecting machine ..

coffee mold

I'm a convert to cold pot coffee and have been experimenting with length of time to cold brew. I just came home after a 6 day trip to decant a brew I made before I left only to find what appears to be mold in the beans lying atop the water. Is the brew drinkable after I pour it through a filter?

Caffeine content query.

Is it true that the more you roast beans the less the caffeine content as the roasting process breaks down caffeine?
I always understood roasting was to enhance the flavour of the coffee.

please refer to Does dark

please refer to Does dark roast coffee have less caffeine than light roast? in this web site.

caffeine withdrawal

I can't do the caffeine thing anymore because even if I miss a small amount - like a coke for lunch - I have withdrawal symtoms like headache, vomiting, lethargy. Its horrible! I have gone clean for about a week at a time, then start up again because I really miss the boost midafternoon. I have heard that yerba mate's chemical composition of caffeine is different enough that you can get the boost of caffeine without the withdrawal problem. Anyone have any thoughts/experience with yerba mate?

serious coffee roasting

Hey All, is there any book about how to professionally roast coffee? please help me out..

-make coffee not war-

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