Yes. שוע"ר שי"ט, יא. #5485
It depends what the purpose of filtering is. If it is in order to have cleaner water and one is not highly sensitive to the regular water (איסטניס) -…
Organizing the laundry was on Shabbos is not only an issue of borer, but also an issue of ממצוא חפצך, doing something on Shabbos to prepare for a Melacha…
If your intention is to clear the table, but not to organize the Seforim, then you are allowed to take the Seforim off the table and put them back…
If something is mixed together with another thing, like toys or clothes, it is אסור to separate one from another to sort each one and organize. However, if the toys…
Yes, this is true. While it is forbidden to directly filter on Shabbos due to Borer (see S"A Horav 319: 23), if a filter is attached to the faucet…
