My family has a GE/Opal 2.0 Nugget Ice Machine. We are relatively stringent about cleaning it, so I documented our process and some efficiencies I've made for that process. ## Supplies ### 3 Quart Red Sanitizing Bucket Sourced from local restaurant supply -- perfect size for my machine to pour into the reservoir. ### Ice Machine Cleaner Nu-Calgon Nickel-Safe Ice Machine Cleaner, 16 fl oz (4287-34) https://www.supplyhouse.com/Nu-Calgon-4287-34-Nickel-Safe-Ice-Machine-Cleaner-16-fl-oz Mix 5 oz cleaner per 1 gallon warm water. ==**3.75 oz cleaner per 3 quart water.**== ## Ice Machine Sanitizer Nu-Calgon IMS-III Ice Machine Sanitizer, 16 fl oz (4211-34) https://www.supplyhouse.com/Nu-Calgon-4211-34-Ice-Machine-Sanitizer-No-Rinse-16-fl-oz 2.1 fl oz sanitizer per 1 gallon water. ==**1.575 oz sanitizer per 3 quart water.**== # 3D Printed Dosing Cup 3.75 oz would require approximately a cup with interior diameter of 50 mm and height to fill line of 56.5 mm. 1.575 oz would require a cup with interior diameter of 50 mm and height to fill line of 23.7 mm. 3D Printed in PETG. ![[Pasted image 20250103132151 1.png]] (include a printables link here) # Bi-Weekly Cleaning and Sanitizing Procedure ## Steps 1. Drain both hoses into the sink or a container. 2. Clean the side tank, side tank holder, ice bin, and tray. Let dry. 3. Remove filter screen from bottom of reservoir; clean with soap and water; let dry. 5. Cap both hoses with the cap piece on the back. 6. Pour in the Ice Machine Cleaner (diluted into 3 quarts of water) into the reservoir. 7. Use clean toothbrush to clean the interior surfaces of the machine reservoir and ice chute. 8. Run the CLEAN cycle two times. 9. Drain both hoses and then cap both hoses when empty. 10. Pour in 3 quarts of clean water. 11. Run the CLEAN cycle one time. 12. Drain both hoses and then cap both hoses when empty. 13. Pour in 3 quarts of clean water. 14. Run the CLEAN cycle one time. 15. Drain both hoses and then cap when empty. 16. Pour in the Ice Machine Sanitizer (diluted into 3 quarts of water) into the reservoir. 17. Run the CLEAN cycle two times. 18. Drain both hoses then cap when empty. 19. LET SIT FOR 2-3 MINUTES. 20. Pour in 3 quarts of clean water. 21. Run the CLEAN cycle one time. 22. Drain both hoses then cap when empty. 23. Re-assemble machine and fill with clean water. 24. Turn back on. # Annual Deep Cleaning (Warranty Voiding) Procedure TBD - YouTube has some videos on how to open it up and clean the internal hoses.