The Nucleus Bloom prepares your coffee bed before the first pour, helping create a more even extraction. Its dual-needle system breaks up clumps, reduces static and removes trapped air, while the interchangeable Straight and Fan needle configurations adapt to different brewers and brewing styles. The integrated FlowTip creates a centre well for more even saturation during the bloom phase, resulting in improved clarity, sweetness and consistency in the cup. Features Dual-needle system with interchangeable Straight and Fan needle configurations. Straight Needles reach deep into the coffee bed to break up clumps and remove trapped air. Fan Needles lift chaff from the surface for improved water flow and more consistent drawdown. Integrated FlowTip creates a centre well for an even bloom. Adjustable needle configuration to suit different brewers and dose sizes. Precision-machined aluminium body. Includes a set of spare replacement needles.