Cleaning the pool without chlorine: These options are available for chlorine-free cleaning

4 min

  • The dream of having your own pool can quickly turn into a nightmare: namely when crystal clear, blue water turns green and becomes increasingly cloudy.
  • Clean pool water is only possible with active maintenance through chemical and mechanical cleaning.
  • Chlorine is most commonly used for disinfection. But there are effective and mild alternatives that have a less strong smell and do not attack the skin and mucous membranes.

Did you start building your pool in good time before the summer months and are now looking at your own water paradise in the middle of the garden? But you also know that the work is far from over. Eventually just will with regular cleaning the water enables carefree bathing fun. It doesn’t always have to be chlorine to get rid of leaves, bacteria and the like. Many people are sensitive to chlorine because it smells very intense or, if the wrong dose is used, it dries out skin and mucous membranes. Like you one chlorine-free cleaning of the pool effective and efficient we explain to you in this guide.

Chlorine alternatives for cleaning the pool

Little effort, lots of fun

For optimal pool cleaning, you should refer to the Combination of mechanical and chemical cleaning processes put. An essential part of effective water purification is powerful Filter systemwhich consists of a pump and a filter. The water in the swimming pool is automatically and permanently filtered by sand or cartridge filters. However, not only the water but also the pool has to be cleaned, which used to be one of the greatest challenges. Today this work is usually done by cleaning robots. Modern Poolroboter suck in surface dirt such as leaves or insects. With a water tester, important parameters such as the acidity of the water can be measured. The pH is then adjusted if necessary.

Above all, regular disinfection using special cleaning agents declares war on bacteria and pathogens. If you are an allergy sufferer or would like to do without chlorine because of the strong smell, an equally effective and special alternative is available to you Gentle pool water care – with Cristal on. The complete program cleans, analyzes and cares for your water in equal measure and is quick and easy to use: perfect for a summer full of water fun! You will also find other modern water care products for combating microorganisms. You must make sure that the following basic principles of water hygiene are adhered to:

  1. Regulation of the pH value: The degree of hardness, temperature fluctuations and organic contamination constantly change the pH value.
  2. Disinfection: The classic disinfectant for pool water is chlorine. Active oxygen is a good alternative to chlorine.
  3. Fight algae: Sunlight and water cause algae to grow. If you don’t control algae, they will quickly gain the upper hand and turn the water green.
  4. Flocculants against cloudy, milky water: Not only algae, but also small dirt particles deteriorate the water quality. Originally clear, blue water becomes more and more cloudy and milky. With flocculants, the finest dirt is removed and the cause of the cloudiness is eliminated.

Whichever type of pool maintenance you choose, whether with simple household remedies or the classic use of chlorine: cleaning without chemicals and without physical-mechanical filtering is not possible over the long term. If you don’t want to constantly change the water, the above four cleaning steps must be part of your pool water maintenance. But you don’t always have to use chlorine.

A little too effective?

Many swimming pool owners are convinced that only chlorine can really remove impurities in the water. After all, disinfection in public pools is Germany-wide no other substance permitted. But as a private user you don’t have to rely on the familiar chemical. Because its effectiveness in killing germs can cause irritation on sensitive skin and attack eyes and mucous membranes at the same time. Also, if the smell of chlorine is not your thing, take a look effective chlorine alternatives:

From oxygen to salt

You can not only recognize impurities in your pool by the fallen leaves floating on the surface of the water. Cloudy water and smooth swimming pool walls are also signs of urgent cleaning. Do not wait for it: Prevent with weekly complete cleaning and reduce allergic reactions and the risk of accidents. You have the following options to be able to clean the pool without chlorine.

Active oxygen: Also as Hydrogen peroxide known, the cleaning of the pool with active oxygen is the best known alternative among the chlorine-free means for pool water treatment. You have the choice between liquid products, tablets and granules, which are in no way inferior to each other in terms of their effects. The released Hydroxyl radicals kill germs and bacteria and then disintegrate into harmless water and oxygen. It should be clear to everyone that the end products water and oxygen are neither harmful to health nor dangerous.

Important: When using active oxygen as a chlorine alternative for pool water maintenance, the water temperature should not exceed 25 ° C. For maximum effectiveness the disinfectant should be used simultaneously foam-free algicides or flocculants be used.

PHBM: You may know it by its full name Polyhexamethylenbiguanidbut more likely than the brand name Baquacil. Whatever you call it: The completely chlorine-free product Baquacil PHMP does not attack your skin, eyes or the lining of your swimming pool. This near-natural care product is UV-resistant and weatherproof and is easy to use. However, it may also keep bacteria in check. However, PHBM is not an oxidizing agent and therefore does not break down sweat or algae.

Ozongeneratoren: You know ozone as an effective protection. It filters ultraviolet rays and thus reduces the danger of UV light. If it encounters dirt in the water, it reacts with a cleaning effect. You can install ozone generators as UV lamps or use them as arcs. The latter assembly, however, is costly and only really effective in dry climates.

Brom: The reactive chemical element bromine is only half an alternative to chlorine. Those who clean with bromine often use chlorine at the same time. Bromsticks clarify calcareous water quickly and effectively, but are rarely offered chlorine-free. The oxidation strength is also only average and at low temperatures the substance evaporates faster than desired, so that its full effectiveness cannot develop.

Photo credits: zveiger (sorted chronologically or according to the order of the images used in the buying guide)


Passionate about DIY for over 10 years and all the new tools, I give you through this blog all my advice, tips, tests in all areas: carpentry, electricity, masonry, gardening, home automation ...


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