Handheld TDS Meter

I was skeptical about how much water chemistry mattered for my pour-overs, but this little meter finally made it click. The readout is instant and stable, so I can test my tap water and filtered water back-to-back and adjust my recipe accordingly. Now my morning cup tastes consistently brighter, and

The calibration screw on the side is a lifesaver—dialed it in against my tap water in under a minute and now my pour-over recipes finally taste repeatable. Reading is instant and the small display is easy to read even mid-brew.

I was skeptical about how much the water actually affects my pour-over, but this little meter settled it—my tap water was way harder than I thought. Calibration was a breeze and the readings come up in seconds, so now I can dial in my minerals without guessing.