I don't know if it's any help to you experts here, but as well as the baby sterilising stuff (milton or whatever), have a look for the packets of muslin nappies when you are in the baby store - very handy for alternative straining uses. I have kept a few back (they were burp cloths and well sterilised) for straining various things like toms for chutney (have previously used them for damsons for jelly and worked perfectly) so they might be handy for wine straining too.

I am getting all the tips here, for when I have some space to hide things in the house later in the summer!!