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could citrus degreaser (Pedros, water-soluble I think) replace the detergent?
If that's what you have, it's fine. There's nothing special required once you're down to an oil film a few molecules thick, any household or janitorial detergent will do. Make sure you wash thoroughly with plain water to clear residual detergent, as some formulations contain ingredients which won't bake out during the drying stage.
Interdasting.
If I don't plan on using an ultrasonic cleaner in the process, could citrus degreaser (Pedros, water-soluble I think) replace the detergent?