Water · NSW · Central Coast

Central Coast (Gosford, Wyong, Terrigal)

Supplied by Central Coast Council · Mangrove Creek Dam

LOW-MINERAL-CHECK-BYPASS

Mangrove Creek Dam is a rainfall-fed reservoir - consistently soft.

Water chemistry

Very Soft

Hardness (mg/L CaCO₃)

25–55

German degrees (°dH)

1.4–3.1

TDS (ppm)

30–70

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 BESTMAX PREMIUM S (FS22P00A00) at 15% bypass

Up to ~10 kg coffee/week

BWT BESTMAX PREMIUM V (FS23P00A00) at 20% bypass or BWT BESTMIN M

10–30 kg coffee/week

BWT BESTMAX PREMIUM M (FS24P00A00) at 20-25% bypass

30+ kg coffee/week, multi-group

BWT BESTMAX PREMIUM XL (FS28P00A00) + WM1000 flow meter

RO system: Not recommended - water is already 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)