GE Appliances GDT645SYNFS how to remove white film with citric acid
When glassware, dishware or the tub has a white hard-water film. GE says it can be repeated several times a year.
You need
- Citric acid (GE kit WD35X151) or a dishwasher cleaner
Steps
- Pour the citric acid into the detergent cup and close the cover.
- Load the filmed but otherwise clean glassware and dishware. Leave out silverware and other metal items.
- Run a complete cycle without detergent.
- As an alternative, pour 1 cup of vinegar into the dishwasher just after the detergent cup opens and let the cycle finish.
Source: Troubleshooting Tips: A white film on glassware, dishware and the interior Source: Troubleshooting Tips: A white film on glassware, dishware and the interior, p. 24
Used for
Other GDT645SYNFS procedures
- How to clean the filtersEvery other month or more often with heavy use, and when wash results drop or dishes feel gritty.
- How to clean the air gapWhenever the dishwasher is not draining well, if the sink has an air gap. The air gap is not part of the dishwasher and the warranty does not cover it.
- How to fill and adjust the rinse agentAbout once a month, and when spots or poor drying appear. The indicator window does not light up.
Sources
- Owner's Manual, Dishwashers GD*565-665, DD*700 and PD*715-785 Series. GE Appliances, a Haier company. Document 49-4000270, revision Rev 0, 2022-07, 78 pages, en-US. images.salsify.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
- Quick Specs, GDT645SFN/SGN/SMN/SSN/SYN Stainless Steel Interior Dishwasher with Hidden Controls. GE Appliances. Document GDT645SFN/SGN/SMN/SSN/SYN, revision Specification revised 6/20, 2020-06, 2 pages, en-US. images.salsify.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.