The APAX LAB TDS Meter is a simple but essential tool for anyone serious about water and extraction. Designed to measure the conductivity of your water and estimate total dissolved solids, it gives you a fast, practical read on the mineral content that shapes flavour, balance, and consistency in the cup.
Used alongside the APAX LAB mineral range, it helps you verify dilution levels with more confidence and repeat the same result from brew to brew. That matters, because water is never neutral. A small shift in mineral concentration can change sweetness, clarity, texture, and overall expression, especially when you are working with coffees that deserve precision.
Whether you are building your brew water from demineralised water or checking the baseline of your existing setup, this is one of those tools that keeps guesswork out of the process. Clean, compact, and easy to use, it is a practical addition to any home bar, cupping table, or brew station.

