Microwave

A microwave in a motel room, we arrived and did not use for a couple of days. Then we nistakenly used, we believed that, being clean, being not used for 24+ hours, it was ok. Now we read we should have put water in a cup for 20 minutes on max setting. Should we do...

Treatment of Opal Glass

Do the same halachic laws for kashering apply to Opal Glass as regular clear glass (when going from milk to meat or regular to Pesach). From what I can tell on the web, Opal glass is a 100% glass material. The distinctive White color, is obtained by adding fluorine....