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Single machine, household use
Confirm supply zone first - recommendation varies significantly
Water · VIC · Gippsland
Supplied by Gippsland Water · Various - 7 to 90 mg/L range
ZONE-VARIABLE-CONFIRM-WITH-UTILITY
Gippsland Water publishes per-town hardness - varies enormously (7-90 mg/L). Traralgon ~40, Sale ~70. ALWAYS check specific town.
Hardness (mg/L CaCO₃)
7–90
German degrees (°dH)
0.4–5
TDS (ppm)
10–140
Typical pH
7.0-7.8
Filter choice scales with weekly coffee volume. Pick the tier that matches your usage.
Single machine, household use
Confirm supply zone first - recommendation varies significantly
Up to ~10 kg coffee/week
Confirm supply zone first - see notes
10–30 kg coffee/week
Confirm supply zone first - see notes
30+ kg coffee/week, multi-group
Confirm supply zone first - see notes