This section is from the book "A Treatise On Beverages or The Complete Practical Bottler", by Charles Herman Sulz. Also available from Amazon: A Treatise On Beverages.
Bromide of calcium should be preserved in well-stoppered bottles. A white, granular salt, very deliquescent, odorless, having a pungent, saline and bitter taste, and a neutral reaction. Soluble in 0.7 part of water and in 1 part of alcohol at 15° C. (59° F.); very soluble in boiling water, and in boiling alcohol. At a higher temperature it is partially decomposed. This salt is dissolved for immediate use, one part by weight in nine parts of distilled water. If a solution be kept in stock, which is not advisable, as it easily absorbs oxygen and carbonic acid from the air and separates bromide, it has to be kept in air-tight bottles. Proportion 10 to 1.