If flow is too high, the resin in a sodium zeolite softener may be discharged to sewer during the _________ stage.

If flow is too high, the resin in a sodium zeolite softener may be discharged to sewer during the _________ stage.

If flow is too high, the resin in a sodium zeolite softener may be discharged to sewer during the _________ stage.




a. Injection
b. Service
c. Slow rinse
d. Fast rinse
e. Backwash






Answer: E


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