Water Quality FAQs

Water makes up 98% of your coffee. The wrong water — too hard, too soft, or incorrectly filtered — affects extraction quality and machine longevity significantly. Browse all water quality answers below.

Best Water for Espresso and Coffee

Tap vs filtered vs bottled — what actually matters

Ideal TDS for Coffee Brewing

What TDS range produces the best extraction

How to Test Your Water Quality

TDS meters, test strips, and what to measure

Water Hardness and Machine Scale

How hard water damages machines over time

How Often to Descale Your Machine

Descaling intervals based on water hardness

Third Wave Water vs DIY Mineral Recipe

Pre-made packets vs making your own water

Other FAQ Categories