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Before you can decide what to do about hard
water, you need to know if you have it and, if so,
how hard it is.
If your water is
SO~,
you have no problem. You can
use soap or detergent as you prefer and forget all
● If you live in a municipal area, contact your
about hard water. If you have HARD water—less than
water company.
10 grains—and you use phosphate detergent, you also
● If you live in a rural area, or in some suburban areas,
have no problem.
contact your county agent.
But, if you have more than 10 grains, you will need to
The answer will be “you have ‘so many grains’ per
soften your water with either...
gallon (3.8 liters)” and means this:
1. An installed water softener in your home, or
O to 3 grains per gallon (3.8
liters)—SO~
2. The use of a packaged water softener.
4 to 10 grains—HARD
For information on water softeners, see the
11 to 19 grains—VERY HARD
guide
below.
20 grains and over—EXTREMELY HARD
Add This Much Water Softener with a Full Water Level
Grains of
hardness
0-10 10-15 15-20 20-25
25-30
over 30
When using
o
1/4
cup
1/2 cup
213
CUP
1
cup
1 cup
plus
1 tablespoon for every 5 grains above
with detergent
(60 ml)
(120 ml) (160 ml)
(240 ml)
30 (240 ml plus 15 ml for each extra 5 grains)
When using 1/3 cup
2/3
CUP
3/4 cup
1
cup
lx
cups
1
Z
cups plus
1
tablespoon for every 5 grains
with soap
(80
ml)
(160 ml)
(180 ml) (240 ml) (360 ml)
above 30 (300 ml plus 15 ml for each extra 5 grains)
21
:
.