so i set up a bait tank in my garage. I have a 50 gallon glass aquarium i bought in 1994. It has sentimental value. Ive had it a long time. Some people said it was a bad idea to fill a glass aquarium with water in winter. Of course if you take a glass of water and put it in your freezer it will crack so it makes sense. My garage usually stays 40 degrees in winter but i am concerned of that one really cold day that causes ice build up and a crack in my tank. Will the bubbler be enough to keep the water from freezing or was it just a really stupid idea to use a glass tank?