I took a high frit glaze (90% Frit 3110 & 10% EPK) that had hard-panned and I flocculated with Epsom salts to fix the hard-panning.
This video is part of my blog post How to Fix a Hard-Panned Glaze with Epsom Salts
https://suemcleodceramics.com/how-to-fix-a-hard-panned-glaze-with-epsom-salts/