Water 1000 ml
Soluble Cheap Coffee (not decaf) 20 g
Washing Soda (Anhydrous Sodium Carbonate) 5 g

Mixing Instructions: Mix coffee in 1/2 liter water until it has no grain. Add soda, mix until all grittiness is gone and solution is uniform (if needed, add some more sodium carbonate until a pH of 10.4 is achieved). Complete with water to make 1 Liter. Wait no more than 5 minutes until microbubbles clear. Use immediately as one-shot.

Dilution: Use undiluted.

Usage: 60 mins, stand or semi-stand.

Notes: Gives no stain, no fog and small grain.