In lab tests on a V60 02 at 93°C, bleached paper reduced cup-level cafestol by about 85–90% versus a metal cone, aligning with studies linking lower diterpenes to modest LDL improvements. For those running pour-overs daily, which paper types or rinse routines keep aromatics intact while maximizing oil capture, and have you noticed changes with slower pours, double-papering, or flow-restrictive kettles?
I get the best balance using bleached Hario 02s with a very hot pre‑rinse until the water runs neutral, and if I’m chasing lower oils I add an AeroPress paper on the bed — “double-papering” — then grind a notch coarser to keep flow and aromatics. My n=1: metal V60 to this setup nudged LDL down a hair over a couple months, but it can mute body unless you pour a bit faster mid-brew to keep contact time sane. Think of the extra paper like a second sweater: protective, but you’ll want to loosen the scarf (grind/pour) so it can breathe.
On a V60 02 at 93°C, Filtropa white 02s give me cleaner cups than Hario with less paper taste after one boiling rinse; if I want lower oils, I keep fines off the bed with a quick Rao spin in bloom instead of ‘double-papering’ and aromatics stay brighter. Slower pours do shave a bit more diterpene for me but mute florals, so I cap drawdown near 3:00 as a compromise.