Does Iodophor change the flavor profile of beer?

I am using Iodophor as my no rise sterilizer. Is this a safe sterilizer and because it doesn’t breakdown like other no rinse sterilizer won’t it affect the flavor profile of the beer?

Topic brewing sterilization sanitation homebrew

Category Mac


Potentially it can. However, at the recommended dilution level, and if you drain the sanitized equipment well (i.e. not leave puddles of sanitizer) the impact on flavour is not perceptible. Especially for stongly flavoured beers.

That said, I'd recommend using starsan wherever possible. Not only it's a true no-rinse, but it has smaller surface tension, which helps it to spread like a thin film on plastics, which results in better sanitation. It's not safe for aluminium, though, and that's exactly where I still use iodophor.


I've been using this method/product ever since and never noticed an Iodo like flavor in the finished beer. As @Evil Zymurgist said, make sure the bottles are dried before bottling the beer.


It can.

It's intended to be dried before use with anything that has significant surface area contact with beer or wort. Lines, fermentors etc.

The only exception is the wet assembly of sanitary valves etc. Which insures the sealed areas do not grow bacteria. They should then be dried before use.

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