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Beer Brewing Guide - Step 7: Cleaning

Beer Brewing Guide - Step 7: Cleaning

Cleaning new bottles 

Cleaning new bottles for beer bottling is crucial for the quality of the end product. The "classic" beer bottle is the 0.33L long neck bottle. Of course, other bottle shapes are also suitable, but we usually recommend brown bottles for bottling beer to avoid the well-known "light taste". Before the bottles are used for the first time, it is advisable to clean them thoroughly. This can be done by washing them out with boiling water to remove any germs and bacteria. This simple step ensures that the beer matures optimally in the fresh bottles and can develop its full flavor.

Cleaning used bottles 

If you want to use used bottles for bottling beer, it is advisable to rinse them out with water once after drinking to make it easier to clean them later. To remove impurities, you should first carry out a mechanical cleaning using a bottle brush. It is helpful to soak the bottles in lukewarm water beforehand to make it easier to remove dirt or other impurities. Once the bottles have been pre-cleaned, they are disinfected. To do this, simply dissolve the PURO OXI cleaning agent at a dosage of 4g/L in warm to hot water, leave the bottles to soak for 3-5 minutes and then allow to drain. We do not recommend disinfecting the bottles by heating them in the oven! This can cause microcracks in the bottles, which can lead to the bottles bursting during secondary fermentation.

Cleaning swing-top bottles 

Particular attention must be paid to cleaning the rubber seal of swing-top bottles! A biofilm tends to form here, which can cause infections in the beer. 

Cleaning brewing and fermentation vessels 

Brewing and fermentation vessels should not be cleaned with surfactants (washing-up liquid), as they foam up a lot and are difficult to remove.
When cleaning brewing and fermentation vessels, a mixture of hot water and PURO OXI can also be used.

Attention, the following cleaning is only recommended for advanced brewers!
Always wear chemical protection gloves and safety goggles when using chemical solutions! 

If you want your brewing or fermentation vessel to be particularly clean, you can use the following cleaning program as a guide:
Use a 55-75°C warm alkaline cleaning solution, e.g. caustic soda or sodium hydroxide, at a concentration of 0.5-2%. Allow this solution to act or, if possible, to rotate in the vessel, e.g. by using a pump, for 10-20 minutes. Then rinse the container thoroughly with similarly warm water to remove any residual lye.
The container is then disinfected. Use an acidic solution at 55-75°C, such as phosphoric acid or hydrogen peroxide at a concentration of 0.5-1%. Allow this solution to act or, if possible, to rotate in the vessel, e.g. by using a pump, for 10-20 minutes. Then rinse the container thoroughly with similarly warm water to remove any acid residues.


Braumarkt Beer Brewing Guide

Arsegan PURO OXI ® 1000 gr
Cleaner for all slightly soiled materials and bottles. Does not need to be rinsed with water, but it's still recommended. By the released active oxygen is a thorough cleaning in a single treatment with a short contact time! Dosage: 4 grams per liter of warm to hot water.  Contact time: 3-5 minutes. Attention: in case of a longer contact time harmless white calcium deposits may be left behind which can be easily removed by rinsing with a solution of acedic or citric acid.  Content: 1000 g (good for 250 liter cleaner)  Please note that it has the same active ingredient as Chemipro OXI, only it's much more favorably priced.

€6.95*
Available
Arsegan PURO OXI ® 5000 gr
Cleaner for all slightly soiled materials and bottles. Does not need to be rinsed with water, but it's still recommended. By the released active oxygen is a thorough cleaning in a single treatment with a short contact time! Dosage: 4 grams per liter of warm to hot water.  Contact time: 3-5 minutes. Attention: in case of a longer contact time harmless white calcium deposits may be left behind which can be easily removed by rinsing with a solution of acedic or citric acid.  Content: 1000 g (good for 250 liter cleaner)  Please note that it has the same active ingredient as Chemipro OXI, only it's much more favorably priced.

€22.95*
Available