Discover the brighter side of your coffee.
TONIK is a mineral concentrate designed to release lively acidity, highlight purity, and give coffee a juicy energy that will literally wake you up until the last sip.
Watermakes up 98% of the final cup, and it is often the deciding factor in whether the coffee shines or remains flat. You can have top-quality beans, a precise grinder, and refined technique, but if the water does not have the right mineral composition, the flavor will remain locked away. Too soft? The coffee will be empty and sour. Too hard? It will suppress the delicacy and sweetness.Properly balanced water, on the other hand, will unlock the depth, highlight the sweetness, and connect the flavors into a harmonious whole.This is where the difference between "good" and "wow" coffee lies. And if you're serious about preparation, ignoring water means voluntarily depriving yourself of the potential that has long been present in the bean.
Just a few drops are enough to give your cup a fresh, juicy character and energy that will wake you up after the first sip. The acidity will be more pronounced, the sweetness more distinct, and the overall profile more precise. No overpowering flavors, just more sparkle and definition. Turn washed Ethiopia into an explosive citrus experience. Bring out more brightness, more tension, more joy from the fruit profiles. If you've ever felt that your coffee was "a little subdued," maybe it just lacked the right mineral impulse.
It's not just marketing. TONIK is used by over 200 national champions and was trusted by 90% of competitors at the World Brewers Cup 2025. Now it can be part of your home or café setup too.
Ideal for:
- washed coffees
- fruity and fresh profiles
- situations where you want to emphasize acidity and purity
A 20 ml package is enough for approximately 30 preparations. Thirty chances to get the most out of each filter.
What are you actually adding to the water when you reach for TONIK?
Only the essentials. And in maximum purity. The mineral concentrate is made fromdemineralized water and mineralsof analytical reagent grade(AR), i.e., laboratory purity. No ballast substances, no unknown additives. Just a precisely selected composition with a single goal: to control extraction and get the most out of the coffee.
Ingredients: water, magnesium chloride, calcium chloride, sodium chloride, sodium bicarbonate, potassium bicarbonate.
How to use TONIK? Simply and precisely.
1. Shake the bottle thoroughly before each use.
2. Add 3–4 g of concentrate to 1 liter of water or 1–10 drops directly to the finished coffee (standard 200 ml cup).
3. Stir and taste. Want more brightness or more depth? Add a drop and see the difference.
For maximum control, we recommend using demineralized water, which will give you full control over the resulting mineral profile and taste.
Want to have complete control over your recipes and easily scale them? Use the calculator from Apax Lab Water and set the water exactly according to your goal.
A few drops. Taste. Fine-tune. Discover a new dimension to your cup.