Brita Water Hardness Test kit

17,50 inc. VAT

Recommended water chemistry for brewing coffee:

Espresso:
TDS/PPM — 100-200
Hardness — 50-100
Alkalinity* — 50-100

Filter:
TDS/PPM — 75-150
Hardness — 50-100
Alkalinity* — 25-50

*KH, or carbonate hardness, also known as alkalinity (HCO3-)

Always consider advise from a professional to avoid scaling or other complication with your equipment.