The Montasio recipe I used (from Ricki Carroll’s book) calls for 3:1 meso to thermo. Since I use raw milk, I reduced the amount and went with 1:1.
The question I had, though, was what about substituting 100% thermo in a recipe that calls for meso? Might have to adjust cook temps up a bit. Also, I noticed that there wasn’t much drop in pH as it ripened. I started at 6.95 and ended up after the cook at 6.6. Since I didn’t have any pH marks for this cheese, I just used the times given in the recipe and recorded the pH for future reference.
I’m kind of starting over on this cheese. I hadn’t made one for over 5 years; but I do remember that it was really good.
And here’s yet another question: Is a different result achieved by brining rather than adding salt to the curd prior to press?