Water · NSW · Illawarra

Wollongong & Illawarra

Supplied by Sydney Water · Cordeaux / Avon / Cataract dams (Illawarra catchments)

Water chemistry

Soft

Hardness (mg/L CaCO₃)

35–55

German degrees (°dH)

2–3.1

TDS (ppm)

50–90

Typical pH

7.0-7.6

Sydney Water Illawarra catchments - soft surface water.

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

Single machine, household use

BWT BESTMAX PREMIUM S (FS22P00A00) or Brita C50 (1002730)

Up to ~10 kg coffee/week

BWT BESTMAX PREMIUM V (FS23P00A00) or Brita C150 (102828)

10–30 kg coffee/week

BWT BESTMAX PREMIUM M (FS24P00A00) or Brita C300 (102826) or Claris Ultra 500-M (4339-81)

30+ kg coffee/week, multi-group

BWT BESTMAX PREMIUM XL (FS28P00A00) or Brita C500 (1002045)

RO system: Not required
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)