The Importance of Water for Brewing Coffee pH, TDS, dH, GH, KH - PowerPoint PPT Presentation

Mar 18, 2023 •750 likes •857 views

The Importance of Water for Brewing Coffee pH, TDS, dH, GH, KH WTF?!?! Well be discussing 2 most relevant 98% Water paramenters when talking about water for coffee 1. Total Hardness 2. Alkalinity (Acid Buffer Capacity) Why? What are

The Importance of Water for Brewing Coffee
pH, TDS, dH, GH, KH… WTF?!?! We’ll be discussing 2 most relevant 98% Water paramenters when talking about water for coffee 1. Total Hardness 2. Alkalinity (Acid Buffer Capacity)
Why? What are They? Total Hardness (GH) Alkalinity (Acid Buffer Capacity) Carbonate Hardness + ● Permanent Hardness The capacity of an aqueous ● solution to neutralize acid Or you could say The ● Amount of Magnesium and Normally made of ● Calcium ions Bicarbonates, therefore it commonly referred to as Carbonate Hardness (KH)
Carbonates - Kings of Brewing Water Buffer too High Buffer too Low The positive acidity in The taste will be vinegary ● ● coffee taste will be soften and sour by this buffer It becomes flat and dull ●
Any Recommendations? 50 < GH < 175 40 < KH < 75
GH and KH Meter pH Meter TDS Meter
The Impact of Water Treatments on Total Hardness and Alkalinity
What We Need? Epsom Salt MgSO4, Magnesium Sulfate Baking Soda NaHCO3, Sodium Bicarbonate, Magnesium Sulfate Distilled Water
References This presentation is mostly quoted and referenced from the work of Dr. Marco Wellinger, “Water for Coffee Extraction”, Zurich University of Applied Science and baristahustle.com by Matt Perger
THANK YOU! Monika Zendrato monika@gordi.id Instagram : @gordi.id @monikazendrato

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