The thing that catches my eye is the fineness of your flux grain:  I wonder if you used the usual 80-200 size grain, if you would get better clarity.  I grade-sift my enamels, and discard the fine grains, and only use the stuff on top of the 200 filter.  Otherwise, I guess the obvious advice of making sure it is all very dry prior to firing, which I am sure you are doing.  Also, not using much holding agent might help.

I also really like the Bovano #3 flux for silver, it is super clear, although it is a bit on the hard side, so I only use it as a first coat, and not in the layers themselves. Come to think of it, Bovano #3 probably is Soyer medium flux for silver. 
Good luck, I know how frustrating it is to fire cloudy over a good surface, something you have spent time and money preparing.  I wish I had a bottle of hydroflouric acid for those days.

Lillian Jones

Hi Ramsay,

Your last comment is most probably your issue.  I rinse my flux sometimes 10 times until I get a clear water above the flux in the container.  Flux is great, but it also has issues.  My other suggestion is to use a coarser enamel (80 - 200).  

The other issue and I agree with Lillian, watch the amount of holding agent in your enamels (the more causes more bubbles).

Jennifer Friedman

Jennifer

Thank you Lillian and Jennifer for your replies.  I've been away for a bit so have just read them.  In the meantime, I have started washing my flux - not really sure why I wasn't doing this before considering that I was washing the colored enamels - and this certainly helps.  As for the grain size I've had reasonable success using <200>325 for the colored transparents.  Can you think of any reason why flux would require a larger size?  By the way, I have not been using any binder for wet packing; just distilled water.

Ramsay