The CRC which is seen on products within a triangle, has one of the most informative websites on Kashrut. There are articles on insects and vegetables, fish, toveling, and much more. For the home page of the CRC, click on the following link: The Chicago Rabbinical Council. To go directly to the articles page, click here. CRC articles of interest on this link: foods, drinks, fruits and vegatables, health & medicine.
There’s more in Baltimore than the National Aquarium and the Zagat Rated David Chu’s Glatt Kosher Chinese Restaurant. The Star-K is headquartered there and their website is a treasure trove of information. The Star-K has started certifying products that are Kosher for Passover for Sephardim that have the custom of allowing the consumption of Kitnyot. It has an S inside their well know star. Articles on Kashrut are available on many subjects including medicines, various foods, acceptable liquors, and even what is permissible at Starbucks!
From the first Kashrut agency to utilize computer technology in the complexities of Kashrut supervision and management. In addition to information on Kosher products, their website features audio shiurim, dvrei Torah, free downloads on a variety of topics, and their highly regarded monthly publication is available on line. Their article database is quite extensive. We highly recommend Cleaning for Pesach and Vegetable Inspection Guide available in PDF or video by clicking here.