Retro v1.1 is a classical dry salt style recipe, designed for brewing light roast coffee. Due to the omission of CaCO3 as an ingredient, it requires no special equipment or processing steps to produce!

Highlights: Clarity, acidity and sweetness.

The Recipe

https://preview.redd.it/h1wjx4j1xnfe1.png?width=1222&format=png&auto=webp&s=2f90a16cfd3df8b41cbd4b32f855a09ebd699d00

CLICK HERE to download and edit the spreadsheet. Feel free to make adjustments to personal taste.

Part 1: Make 10X concentrate.

Fully dissolve each mineral using gentle agitation before adding the next one.

1. Start with 1 gallon of zero TDS water.
2. Add 1.272 grams sodium bicarbonate.
3. Add 1.088 grams magnesium sulfate heptahydrate.
4. Add 0.351 grams calcium sulfate dihydrate.
5. Add 0.766 grams calcium chloride anhydrous.

Part 2: Make brew water.

1. Add 378.5 grams 10x concentrate to a 1 gallon container.
2. Fill up the rest of the volume with 3,406.9 grams zero TDS water.

Use the brew water to make coffee.

Hope this serves you well! I welcome feedback from anyone who tries the recipe.