Dvar Halacha By: R' Chananya Berman Question: Is one allowed to wash dishes on Shabbos? Discussion: Last week we talked about soaking dishes on Shabbos in order to clean them after Shabbos. This week we will discuss washing dishes on Shabbos. There are a few issues that need to be looked at, we will discuss each one on its own. The first issue is if own does not need these dishes for Shabbos day (e.g. the person is eating out) one would not be permitted to wash them. The reason for this is Hachona - preparing on Shabbos for the week. However, if the dishes will be needed again for Shabbos day, one would be permitted to wash them in a permissible manner. Even if one wishes to wash the dishes and set them aside for next Shabbos this would not be permitted. It is considered Hachona in this case as well. If a person will need the dishes for Shabbos day one would be allowed to wash all of the dishes- even if he only needs some of them. For example if a person needs a cup he can wash all the cups even thought he does not need all of them (משנה ברורה שכ"ג סקכ"ו). One would not be allowed to wash cups if he needed forks. If one has other dishes to use and wants to anyway wash and use the same dishes from Friday night a rav should be asked. Using Hot Water Even in a situation where washing dishes is permitted it can not be done in the usual manner. One is not permitted to turn on the hot water tap because this causes cold water to enter the boiler and get boilled. However, if one has hot water prepared before Shabbos he may fill up a tub of water and places the dishes in it. Even if one prepares hot water before Shabbos, one would not be allowed to pour the water on the dishes directly because it would be "pouring from a kli rishon" which causes the hardened grease to dissolve. This would be a problem of Nolad (משנה ברורה רנ"ג סק"ק). Using Soap According to many poskim one would be allowed to use liquid soap (Aruch Hashulchan 326:11). However, there are poskim that advise one to dilute the soap with water before using it so that it is very liquidy. Sponges and Pads One would not be permitted to use an absorbent material to wash the dishes because the water will inevitably be squeezed out while in use. This is a problem of sechita. However, one would be allowed to use a synthetic pad whose fibers are widely spaced and cannot trap water (The Shabbos Kitchen page 206). Summary: Dishes which are needed for this Shabbos may be washed in a permitted manner. One cannot use hot water from the tap, however, one may prepare water in a tub and place the dishes in it. Additionally according to some poskim the soap should be diluted before using it. If it is a solid bar of soap it would not be permitted to use at all. Finally, one may only use a dish pad that is made out of synthetic fibers that don't present a problem of sechita. For all practical questions please ask your Rav.
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