3. 
DIRECTIONS 
~ 
CAUTION: DO et let | ‘hands, metal or. 
other matter touch water. which is being. 
tested, or inside of cup used. {t may 
affect the test. 
rie 
wash, rinse and empty a clean, 
white tea cup three times with 
the same water as is to be 
tested. 
Drop into the empty, washed tea 
~ eup 1 of the small pieces of 
paper from the attached envelope. 
Pour or drop 10 to 20 drops or 
_ about 4 teaspoonful of water to 
be tested on the paper in the 
cup. Let stand 10 minutes,- 
then note color of the water, - 
not the paper, and see list, on 
page 2, of the plants suitable 
for growing in it. ee 
Observe other special conditions 
required for the various plants. 
> ‘ = 
