CONDENSED MiiK AND Mitk PowpbEr 
DOES 
THREE FUNDAMENTAL PRINCIPLES 
The different uses for BK are based on three funda- 
mental principles. When these are understood it gives 
an appreciation of BK and a knowledge that enables man- 
ufacturers and handlers of dairy products to apply it in 
many ways to hehten labor and produce purer products. 
These principles are: 
1. High bacteriacidal power 
2. Solvent Action 
3. Harmlessness + 
4 
The bacteria- -destroying power of BK is high, so that 
t kills the bacteria on coming in contact with them. 
The solvent action of BK on albumins—milk casein, 
ete., softens the accumulations on coils, heaters, pasteur- 
izers, pipes, ete., making the cleaning operation easier. 
Where the metal parts of equipment are not already 
coated with casein the application of BK before the daily 
run prevents a milk film from adhering and also dissolves 
anv thin albuminous film that mieht be there. This sol- 
vent action also exposes the bacteria to prompt destruc- 
tion. 
These two functions of BK insure a high degree of 
sterilization and cleansing—also great economy of labor. 
BK is a harmless hypochlorite such as used by the 
most experienced medical men in and on the human body 
—adopted by the great surgeons of the allied armies 
after trying over 150 different articles for protection of 
health and foods of the armies. 
The amount of BK needed to make an effective steril- 
izing solution is very small and the amount of BK left on 
the equipment after using is infinitesimal and negligible. 
Authoritative Experiment Station bulletins prove this 
point conclusively in their tests on chemical sterilizing. 
BK is easy to use everywhere for purifying, deodoriz- 
ing and disinfecting. BK has stood the test of time—it 
has made good. Those who learn its helpfulness become 
constant users. ° 
GENERAL LABORATORIES 
19 S. DICKINSON ST. MADISON, WIS. 
401 
