8 BULLETIN 109, U. S. DEPARTMENT OF AGRICULTURE. 
PRACTICAL DIRECTIONS FOR THE USE OF THE REMEDY. 
A practical course of treatment based on the use of boric acid 
was accordingly outlined for tests on the factory basis. Since the 
paste evaporates water between the time of making and of using, a 
concentration somewhat less than saturation was recommended in 
making the paste. This would also tend to decrease the liability of 
the acid to crystallize out in a conspicuous way on the surface of 
the cigars should paste happen to be smeared on them. The fol- 
lowing concise directions were prepared: Place boric acid in warm 
water at the rate of 1 ounce of dry acid to 13 pints of water. Stir 
till the acid is all dissolved. Use this solution instead of water in 
making up the paste. Great care should be taken not to use more 
paste on the cigar than is necessary, since it is liable to be smeared 
on the surface of the cigar, where the boric acid in the paste tends 
to crystallize, giving an appearance suggesting mold. 
These directions have been followed for some years in the fac- 
tory in which the complaints originated, and when the writer was 
last in communication with those in charge the boric-acid treat- 
ment was in use as a routine practice and only in rare instances 
were molds found troublesome. 
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