MediumRoastSteam There’s no reason to have a muddy bed with the Niche, just don’t try to brew filter in the region marked “filter” on the grinder (more like coarse espresso/moka pot grind).
Ideally, the Niche just needs a second marker at “0” when the original marker is set to “50”, I brew most of my coffee at 90-94 (e.g. 50 plus 40-44).
I also have a Wilfa flat, good value for money, but no better than a Niche.