The water is considered soft when the ppm is between _______

1.	The water is considered soft when the ppm is between _______
A.	0 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 50
B.	50 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100
C.	100 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 150
D.	Over 250
Answer» B. 50 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100

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