Water · NT · Top End

Darwin & Palmerston

Supplied by Power and Water Corporation · Darwin River Dam (tropical catchment)

SOFT-MINERAL-ADDITION-REQUIRED

Tropical rainwater catchment - very soft despite climate.

Water chemistry

Very Soft

Hardness (mg/L CaCO₃)

10–30

German degrees (°dH)

0.6–1.7

TDS (ppm)

12–45

Typical pH

7.0-7.5

Filter choice scales with weekly coffee volume. Pick the tier that matches your usage.

Single machine, household use

BWT BESTMIN PREMIUM M (FS24M10A00)

Up to ~10 kg coffee/week

BWT BESTMIN PREMIUM M (FS24M10A00) or Everpure ESO6 (EV960710)

10–30 kg coffee/week

Everpure ESO7 (EV960725) on QC7i Single (EV927241) or BWT BESTMIN PREMIUM M

30+ kg coffee/week, multi-group

Everpure ESO7 on QC7i Twin (EV932502) or BWT BESTMIN manifold

RO system: Not applicable - water already very soft
Filter head required: BWT Besthead (FS00Y90A00) for BWT; Brita Head (1013637) G3/8" BSP for Brita; Claris Head (4339-90) 3/8" BSP for Claris
Flow meter: BWT WM1000 for commercial; Everpure Claris Flowmeter (4339-30) for Claris systems
Test kit: BWT TK550 Carbonate Hardness Test Kit (TK550)