I did 1 oz. Challenger @ 60, .5 oz. EKG @ 30, .5 oz. EKG & 1 oz. Fuggle @ 5.
The water in my area is fairly consistent and also pretty neutral so I added salts to achieve:
100 ppm Ca
50 ppm Cl
175 ppm SO4
And I believe I had ~5.4 mash pH.
I'm relatively new to water adjustments so this could...