Create water tuned for perfect coffee. The 4CM reintroduces calcium and magnesium to post‑RO water, hitting the sweet‑spot hardness for better extraction, fuller flavor, and reliable crema—while helping protect your espresso equipment from scale.
RO water alone can taste flat and extract poorly; hard water scales boilers and valves. 4CM adds the right minerals back for flavor and texture—while helping reduce scale for smoother operations.
Balances calcium & magnesium for richer extraction, sweetness, and stable crema.
Helps limit scale formation in boilers and lines to reduce downtime and service costs.
Delivers predictable, repeatable brew water quality for multi‑site and high‑volume programs.
Not sure about your water quality or sizing? Request a free site assessment →
| Capacity | Not applicable |
| Rating | Not applicable |
| Flow Rate | 0.5 gpm (≈ 1.9 L/min) |
| Dimensions | 14.5″ H × 3.25″ Dia. (≈ 36.8 × 8.3 cm) |
| Operating Pressure | Not specified |
| Operating Temperature | Not specified |
| Connections | Everpure quick-change head compatible |
| Certifications | NSF/ANSI 58 (mineral addition)* |
| Applications | Post-RO water conditioning for commercial coffee & espresso |
Share your water quality and demand — our engineer will recommend and size the right system, free of charge.