Page:A Practical Treatise on Brewing (4th ed.).djvu/113

Rh Dartmouth, 18th January, 1844.

,—In answer to your query respecting changes of yeast, I have only to say, that so far as I have seen, since pursuing your system of brewing, no change has been wanted,—it is certainly quite unnecessary.

I can easily understand that after any long cessation from brewing, a supply of fresh yeast must. be required,—but in no other case, if your mode of working be strictly adhered to.

I am, yours truly,

Esq.

Chesham, 15th January, 1844.

,—In reply to yours of the 10th, we are still of the same opinion, that, by your mode of working, a change of yeast is unnecessary, and as a proof of it, we used the same store you first brought with you for more than three years, and the tuns were uniformly healthy and vigorous; but during the last summer, as we were cleansing the brewery, &c., and consequently omitted a brewing or two, we obtained a fresh store, which we are still using with success. Perhaps you will be good enough