I would think that within a few cycles the detergent would wash away, or you could try a garden hose put in the salt compartment & gently run, might wash it away quicker. I think the only problem you will have is from the lack of salt.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local