There seem to be other sites that carry it. See link.

I have not used Zout as it's not available in Canada but I've read really good reviews about it.

http://www.zout.com/

Here is a link that might be useful: Vanish

Anceska, my mom lives in Poland and loves it too! Vanish is an oxygen bleach based product so you could try an equivalent here. If you want liquid, then maybe try Green Works liquid non-chlorine bleach (I think Target carries it). It is color safe and claims to work well on stains. I haven't tried it but I think it should work similarly to Vanish. Or try powder oxy bleach instead. Ecover powder oxy bleach is best in my experience but I've been using Green Works Oxi Stain Remover recently and it works well too.

Here is a link that might be useful: Green Works Chlorine-Free Bleach