No chemistry degree required. Exact measurements and foolproof recipes for better espresso from any tap water.
Water makes up 98% of your espresso. Poor water quality directly impacts extraction, machine longevity, and taste. Most home baristas struggle with water that's either too hard (causes scale) or too soft (causes corrosion).
The good news: You don't need to understand water chemistry. This guide provides simple, exact recipes that work for any situation.
✓ Water Affects:
Hard Tap Water (Most Common)
White scale buildup in kettle, soap doesn't lather well, mineral taste. Use Recipe A. See descaling guide if scale buildup occurs.
Soft Tap Water
No scale buildup, soap lathers easily, flat taste. Use Recipe B.
Unsure
Start with Recipe C (balanced). It works for most situations.
Choose one recipe based on your water situation. All use common, affordable ingredients.
For hard tap water with visible scale buildup. This recipe softens water and prevents machine damage.
Ingredients per 1 Gallon (3.8L):
Steps:
For soft tap water with no scale. This recipe adds minerals to protect your machine and improve taste.
Ingredients per 1 Gallon (3.8L):
Steps:
For unknown water situations or as a safe middle ground. Works for most home espresso setups.
Ingredients per 1 Gallon (3.8L):
Steps:
Filtered Water (Easiest Option)
Use a Brita or similar pitcher filter. Removes most minerals. Works well for hard water areas. Replace filter every 2 months. Cost: $20-30 per year.
Distilled Water (Most Expensive)
Completely soft. Mix 50% distilled + 50% tap water for balanced results. Cost: $1-2 per gallon. Only use if tap water is extremely hard.
Bottled Water (Convenient)
Check the label for mineral content. Look for 50-150 ppm hardness. Cost: $0.50-1 per gallon.
Pick a recipe, gather your ingredients (under $5), and start making better espresso today. Water quality is one of the easiest improvements you can make.
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