About

Jason Harris reviews pages where coffee advice depends on extraction variables, brew ratios, grinder behavior, water chemistry, temperature, or diagnostic troubleshooting.

His review standard is practical and variable-based: each technical recommendation should name what it changes, the direction of the effect, and the range where the advice holds.

Editorial Responsibilities

  • Sour, bitter, weak, watery, burnt, and inconsistent coffee diagnostics
  • Espresso shot timing, channeling, puck prep, dose, yield, and grinder review
  • Pour over, French press, AeroPress, moka pot, cold brew, and drip troubleshooting
  • Calculator assumptions, buyer-guide criteria, and method comparison logic

Review Scope

Target sections

  • Coffee extraction guides
  • Coffee-to-water ratio and brewing temperature guides
  • Grind size guides and charts
  • Water chemistry guidance
  • Technique and troubleshooting sections across brew methods

Editorial Process

Profile credits are meant to match real editorial work. The site documents standards on the Editorial Policy page and keeps team context on the About page.

Public URL: https://www.onlinecoffeeguide.com/authors/jason-harris