Glaze for Standard 266

hi, I am currently using Standard 266, has been a long long time since I used it, and wanted to know if anyone has any suggestions on glazes that will look great on this color. I know from a different thread that some say it "bloats" at ^6, but I don't know what that means, and as I am planning on firing to 6 because I want it black, can someone tell me what the def is of Bloat. Firing at cone 5 it comes out a deep dark brown, but not black. Suggestions would be wonderful.. especially

I use this clay by itself, and with little loafers (highwater) for agateware at my community center - fired to cone six. I have dipped and sprayed a glaze called "satin white" - the recipe is on fetish ghost's website (Mooncrater white). Sprayed thin, it makes a clear/white that can look like clouds on a dark brown clay. Dipped (but still thin) it is a contrasting white with black breaking texture. With the clear in mastering cone six glazes, it can be a dark brown-to-black color, and I've do