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15. Remove the tube-end connectors from the detergent.
16. Dispose of unused detergent in a sanitary sewer, not in a storm drain. Wash the container thoroughly.
17. Fill the 5-gallon container with potable (drinking) water. Place the tube-end connectors in the water.
18. Hold each dispensing valve open until the detergent is displaced by the water.
WARNING: Phenolphthalein must be kept away from children. It is a powerful laxative and
may cause serious illness if taken internally.
19. Dispense a one-ounce sample of water from the nozzle. Test the sample using a drop of phenolphthalein
indicator. (This indicator becomes pink-colored in the presence of even small amounts of detergent) When
the indicator remains clear, all detergent has been removed.
20. Remove the tube-end connectors from the water.
21. Fill the 5-gallon container with 4 gallons (15.1 liters) of water at a temperature between 70 degrees F. to a
maximum of 100 degrees F.
22. Add 1.0 oz. (29.57 ml) of H.B. Fuller Monarch C–S or equivalent sanitizer [to provide a 200 ppm
(200 mg/liter) active quaternary sanitizing solution] to the container. Mix thoroughly.
23. Place the concentrate tube-end connectors in the sanitizing solution.
24. Operate each valve until only the sanitizing solution is dispensed.
CAUTION: To avoid damage to metallic parts of the system, do not allow the sanitizing
solution to remain in the concentrate systems longer than 15 minutes.
25. Allow the sanitizing solution to remain in the concentrate systems from 8 to 10 minutes.
26. Remove concentrate tube-end connectors from the sanitizing solution and remove the bag valves from the
tube-end connectors. (Save the bag valves).
27. Connect each concentrate tube-end connector to the preselected concentrate source.
28. Operate each valve until the concentrate purges the sanitizer from the tubes, and only concentrate is dis-
pensed.
29. Dispense and taste each product for off-taste.
30. Dispose of the waste sanitizing solution in the sanitary sewer, (not in storm drain). Rinse both containers.
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