Guide ยท Acid-base balance

What makes alkaline fasting alkaline?

Why lemons are allowed although they taste sour โ€“ the acid-base balance simply explained, with an alkaline check, liver compress and alkaline bath.

๐Ÿ—“๏ธ Updated October 2026โฑ๏ธ approx. 6 min readโœ๏ธ Zollhaus team, Erzgebirge
๐Ÿ‹Tasting sour โ‰  acid-forming
๐ŸซLiver, kidneys & lungs regulate
๐ŸฅฌAlkaline minerals from vegetables
๐ŸฆถAlkaline foot baths at the Zollhaus
The key difference

Acid-formers and base-formers

Why is it called alkaline fasting? After all, you can eat sour-tasting foods like lemons, limes, oranges, mandarins, kiwis, grapefruit and pineapple.

What matters is not how sour a food tastes but whether it acts as an acid-former or base-former in the body. When your body gets energy from food, acids are produced โ€“ especially when breaking down protein. More in Protein and alkaline diet.

โœ… Base-formers

  • Vegetables, fruit, herbs, sprouts
  • Rich in alkaline minerals โ€“ see potassium & co.
  • Even lemon & pineapple!

Acid-formers

  • Meat, fish, eggs
  • Dairy
  • Alcohol and coffee
How your body regulates

Three organs keep the balance

Alkaline fasting relieves exactly these organs โ€“ because fewer acids are produced.

The liver

Breaks down acids โ€“ one of the most important metabolic organs.

Liver compress guide

The kidneys

Excrete acids. Plenty of still water and herbal tea support them.

How to drink

The lungs

Exhale acids as carbon dioxide โ€“ one more reason for fresh air and conscious breathing.

Breathing & meditation
Try it

Check: acid or alkaline?

Tastes sour but acts alkaline? Tap a food to find out.

No entry yet.

๐Ÿ‘†
Check: acid or alkaline?Tap a term to see the explanation.
Why it matters

Gently relieve your body

On an alkaline diet you avoid strongly acid-forming foods and eat vegetables, fruit, herbs and sprouts rich in alkaline minerals โ€“ relieving the organs responsible for the acid-base balance.

Advocates assume that a permanently acid-heavy diet can contribute to heartburn, headaches, skin problems or joint pain. If you have health problems, talk to your doctor first.

Looking for a start?

Our food list shows what you can eat. Basics: What is alkaline fasting?

Support for your liver

How to do a liver compress

The warm, moist compress promotes circulation in the liver area and relaxes you โ€“ itโ€™s part of our programme.

Step 1

Soak a towel

Soak a cotton towel in warm water and wring it out.

Step 2

Place it

Place it on your right upper abdomen (liver area).

Step 3

Wrap up warm

Wrap a wool cloth or blanket over it, ideally with a hot-water bottle.

Step 4

Rest

Rest about 30 minutes โ€“ ideally in the evening. More: Liver compress guide.

๐Ÿฆถ Alkaline bath at the Zollhaus

Alkaline baths are part of it too. We offer our guests alkaline foot baths in the spa: lukewarm water with alkaline salt.

Soak for at least 30 minutes โ€“ your skin feels especially soft afterwards.

Alkaline fasting and yoga at Landhotel Altes ZollhausVaulted restaurantNature in the Ore Mountains
Alkaline fasting at the Zollhaus

We cook alkaline โ€“ you relax

At Landhotel Altes Zollhaus in the Ore Mountains we combine alkaline fasting according to the Wacker method with a real break: we cook your alkaline meals fresh while you enjoy nature, movement and relaxation.

  • Alkaline cuisine, freshly prepared
  • Hiking right from the door
  • Yoga and Wellness
  • Cosy rooms
Current offers

Alkaline fasting dates

All prices per person in a double room.

Fasting group sitting in a circle on the wooden platform by the natural pond of Landhotel Altes Zollhaus01.11. - 08.11.2026

Alkaline Fasting Special

Feel like new in 7 days. Treat yourself to a week full of mindful eating, yoga, exercise and relaxation โ€“ and find new energy for your everyday life.

Price from 750 euros per person in a double roomDETAILS
Fasting group sitting in a circle on the wooden platform by the natural pond of Landhotel Altes ZollhausFrom 03.01. - 08.01.2027

Alkaline Fasting Special

Wacker method: a short escape from the chaos, into lightness

Price from 650 euros per person in a double roomDETAILS
Fasting group sitting in a circle on the wooden platform by the natural pond of Landhotel Altes ZollhausFrom 28.02. - 05.03.2027

Alkaline Fasting Special

Alkaline fasting according to Wacker: less drama, more vegetables

Price from 650 euros per person in a double roomDETAILS
Fasting group sitting in a circle on the wooden platform by the natural pond of Landhotel Altes Zollhaus31.10. - 05.11.2027

Alkaline Fasting Special

Wacker method: a short escape from the chaos, into lightness

Price from 650 euros per person in a double roomDETAILS
Fasting group sitting in a circle on the wooden platform by the natural pond of Landhotel Altes Zollhaus28.11. - 03.12.2027

Alkaline Fasting Special

Wacker method: your stomach says thank you, your mind finally finds peace

Price from 650 euros per person in a double roomDETAILS
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Good to know

FAQ about the acid-base balance

Questions? Call us on +49 35057 540 or use our contact form.

Why can I eat lemons?

Because itโ€™s about the effect in the body, not the taste. Lemons taste sour but act alkaline.

What are acid-formers?

Foods that produce many acids when broken down โ€“ especially protein-rich ones, plus alcohol and coffee.

Which organs regulate it?

The liver breaks acids down, the kidneys excrete them and the lungs exhale them as carbon dioxide.

What does a liver compress do?

It promotes circulation in the liver area and relaxes. Ideally in the evening for about 30 minutes.

How long should an alkaline foot bath last?

At least 30 minutes in lukewarm water with alkaline salt.

Conclusion

Alkaline is about the effect

Itโ€™s not the taste but the effect in the body. With vegetables, fruit, herbs and sprouts you relieve liver, kidneys and lungs โ€“ and a liver compress and alkaline bath add relaxation.

Ready?

Let us cook alkaline for you

Alkaline cuisine, yoga, nature and spa โ€“ with our team in the Ore Mountains.

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How well do you know alkaline fasting?

Take our alkaline fasting quiz according to the Wacker methodยฎ: 45 questions with explanations. Score 75 % or more and you'll receive a book from our Wacker library when you arrive for your alkaline fasting stay.

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