Features
Everything you need to brew the perfect pour-over, built into one elegant device.
Hardware
Premium components designed for precision and durability.
Precision Sensor
High-precision load cell delivers 0.1g accuracy for perfect coffee-to-water ratios every time.
16x2 LCD Display
Clear backlit LCD shows weight, pour rate, countdown timers, and step-by-step instructions.
Rotary Encoder
Intuitive control with push-button selection. Navigate menus, select recipes, and control brewing with ease.
Bluetooth Connection
Connects to your iPhone for remote control and recipe syncing. The app is optional—Bloom works great on its own.
On-Device Storage
Your calibration and custom recipes are saved directly on the scale—no phone or cloud required.
Open Source
Fully open-source hardware and firmware. Customize, extend, or reflash via USB—it's yours to hack.
Brewing Guidance
Smart features that guide you through every pour.
State Machine Brewing
Bloom uses a sophisticated state machine to guide you through each brewing phase:
- Menu - Select your recipe
- Ready - Prepare your setup
- Pouring - Active pour with target weight
- Waiting - Bloom/drain countdown
- Complete - Brew finished
Real-time Feedback
Get instant feedback as you brew:
- Pour Rate - See your pour speed in real-time (grams per second)
- Target Weight - See current vs target for each pour stage
- Countdown Timer - Precise timing for bloom and drain phases
- Step Progress - Know exactly which step you're on
Recipe System
Built-in recipes for popular methods, plus the ability to create your own.
Preset Recipes
Built-in recipes for popular methods like V60, Chemex, AeroPress, and more—ready to brew out of the box.
Custom Recipes
Create and store your own recipes with custom ratios, pour stages, and timing.
Bluetooth Sync
Transfer recipes between your scale and iPhone app via Bluetooth.