Originally Posted by lbuilta59
but can you tell me how to delete products added by keyword, brand, etc. searches? Is the only way to 'block' them?
Usually you can remove unwanted products from a search by modifying your search query and using stricter search parameters. http://www.datafeedr.com/docs/item/163
If you really can't filter out products added by your subscriptions, you could create a new subscription and set it up to remove products from the category.