Tieman’s Fusion Coffee Ground Decaf Fusion is a semi-dark roast, with a depth and richness which is surprising to many people. Our decaf coffee utilizes a natural water decaffeination process. 100% select arabica coffee naturally fused with matcha green tea, rooibos red tea and goji berry powders. It has a low acid pH of 5.75% and caffeine content 4.75 mg per 8oz.